Rhododendron ×intermedium var. medium Rouy variety synonym Azalea nudiflora var. variegata C.F.Ludw. variety synonym Rhododendron hirsutum var. laciniatum (Schröt.) Bean variety synonym Rhododendron mucronatum f. noordtianum (Wittm.) E.H.Wilson form synonym Rhododendron flavum var. macranthum Bean variety synonym Azalea nudiflora var. thyrsiflora Gowen ex Lindl. variety synonym Rhododendron caucasicum var. flavescens Verschaff. ex Van Geert variety synonym Rhododendron ×purpureum Komatsu species synonym Rhododendron undulatum Griff. species doubtful Rhododendron campanulatum var. violaceum-pallidum Verschaff. variety homotypic synonym Rhododendron caucasicum var. grandiceps Van Geert variety synonym Azalea nudiflora var. coccinea-major Dum.Cours. variety synonym Rhododendron burgravianum Loisel. species synonym Rhododendron formosum var. salicifolium C.B.Clarke variety synonym Rhododendron rosmarinifolium var. narcissiflorum (Planch.) C.K.Schneid. variety synonym Rhododendron indicum f. otakumi T.Yamaz. form synonym Rhododendron hirsutum f. latifolium (Hoppe) Zabel form synonym Rhododendron campanulatum var. mirendum Van Geert variety synonym Azalea ×amoena var. obtusa Clémenc. variety synonym Rhododendron indicum f. lateritium (Lindl.) Maxim. form synonym Rhododendron ×phoeniceum var. calycinum (Lindl.) Makino variety synonym Azalea kaempferi (Planch.) André species synonym Rhododendron ×gemmiferum Bean species doubtful Rhododendron barbatum var. smithii C.B.Clarke variety synonym Rhododendron ×russelianum f. album (Millais) Rehder form synonym Rhododendron sanctum f. albiflorum Sugim. form synonym Rhododendron canadense f. album Voss form synonym Rhododendron obtusum f. album Nakai form heterotypic synonym Rhododendron microphyllum Griff. species doubtful Rhododendron ledifolium var. phoeniceum (Sweet) DC. variety synonym Rhododendron indicum var. balsaminiflorum (Carrière) G.Nicholson variety synonym Rhododendron obtusum f. amoenum (Lindl.) Komatsu form synonym Azalea obtusa subsp. alba H.J.Veitch subspecies homotypic synonym Rhododendron hirsutum f. glabratum (Asch. & Kuhn) Zabel form synonym Azalea rollissonii T.Moore species synonym Rhododendron mucronatum f. sekidera (Komatsu) E.H.Wilson form synonym Rhododendron makinoi f. muraoanum (Makino) H.Hara form synonym Rhododendron hymenanthes var. pentamerum (Maxim.) Makino variety synonym Azalea nudiflora var. rosea (Loisel.) Sweet variety synonym Azalea nudiflora var. aurantiaca (F.Dietr.) Dum.Cours. variety synonym Rhododendron caucasicum f. stramineum (Hook.) Rehder form synonym Rhododendron mucronulatum f. acuminatum (Hutch.) Rehder form synonym Rhododendron hymenanthes var. heptamerum (Maxim.) Makino variety synonym Menziesia lasiophylla var. bicolor (Makino) Hiyama variety synonym Rhododendron ferrugineum var. atrococcineum Bean variety synonym Rhododendron caucasicum var. album-egregium Verschaff. ex Van Geert variety synonym Rhododendron flavum f. macranthum (Bean) Rehder form synonym Rhododendron calophyllum var. longifolium Regel variety synonym Rhododendron ledifolium var. noordtianum (Wittm.) Rehder variety synonym Rhododendron sieboldii var. minor Miq. variety synonym Rhododendron germanicum var. hirsutum (L.) Hoppe variety synonym Rhododendron ×intermedium var. hirsutoformum (Grembl.) Rouy variety synonym Rhododendron ledifolium var. plenum-purpureum Regel variety synonym Rhododendron tschonoskii var. tetramerum (Makino) Komatsu variety synonym Rhododendron indicum f. laciniatum Makino form synonym Rhododendron ledifolium var. narcissiflorum (Planch.) Maxim. variety synonym Rhododendron ×robustissimum Lindl. ex C.K.Schneid. species synonym Rhododendron maddenii var. obtusifolium Hutch. variety synonym Rhododendron germanicum var. ferrugineum (L.) Hoppe variety synonym Azalea indica subsp. hybrida Loudon subspecies synonym Rhododendron arboreum subsp. kingianum (Watt) Tagg subspecies synonym Rhododendron indicum var. speciosum D.Don variety synonym Rhododendron macrosepalum f. albiflorum (Honda) H.Hara form synonym Ledum palustre var. angustum N.Busch variety synonym Rhododendron ×anadyomene Standish species homotypic synonym Rhododendron ferrugineum subsp. album Millais subspecies synonym Rhododendron campanulatum var. aeruginosum (Hook.fil.) G.Nicholson variety synonym Rhododendron fruticosum Griff. species doubtful Azalea nudiflora var. ciliata Kellogg variety synonym Azalea indica var. garibaldii Ivery variety synonym Rhododendron campanulatum var. violaceum-pallidum Verschaff. ex Van Geert variety synonym Rhododendron linearifolium f. dianthiflorum (Carrière) E.H.Wilson form synonym Azalea nudiflora var. periclymenoides (Michx.) Heynh. variety synonym Azalea indica var. obtusa-alba (Anon.) Rehder variety synonym Rhododendron wrayi var. minus Ridl. variety synonym Rhododendron caucasicum var. bicolor Verschaff. variety homotypic synonym Rhododendron rosmarinifolium var. purpureum (Rehder) C.K.Schneid. variety synonym Rhododendron ×maculosissimum Standish ex J.Dix species doubtful Ledum palustre f. diversipilosum (Nakai) Makino & Tanaka form synonym Azalea viscosa var. floribunda Aiton variety synonym Azalea indica subsp. narcissiflora John Edwards subspecies synonym Rhododendron catawbiense var. album P.Glass variety synonym Azalea ×daviesii R.D. species synonym Ledum latifolium var. compactum Bean variety synonym Rhododendron ×elegantissimum Davies species synonym Rhododendron multicolor var. curtisii Anon. variety synonym Rhododendron reticulatum f. trichostylum Mizush. ex Okuhara form synonym Azalea coccinea subsp. aurantia Lodd. subspecies synonym Rhododendron caucasicum var. delicatum-novum Verschaff. ex Van Geert variety synonym Rhododendron discolor Warb. species homotypic synonym Rhododendron caucasicum var. roseum-delicatissimum Van Geert variety synonym Azalea nudiflora var. hirta Elliott variety synonym Rhododendron reticulatum f. versicolor (Nakai) H.Hara form synonym Rhododendron tschonoskii f. roseum Sugim. form synonym Rhododendron lindaueanum var. cyclopicum Sleumer variety synonym Azalea alba Sweet ex Poit. species heterotypic synonym Rhododendron hirsutum var. latifolium Hoppe variety synonym Azalea ×amoena var. cadwellii Van Geert variety synonym Rhododendron vaseyi var. album Bean variety synonym Rhododendron ×amoenum var. obtusum (Lindl.) Zabel variety synonym Rhododendron anthopogon var. fragrans B.Fedtsch. variety synonym Rhododendron canadense f. viridifolium Rehder form synonym Rhododendron osuzuyamense f. albiflorum Hatus. form homotypic synonym Rhododendron indicum f. crispiflorum (Hook.) Rehder form synonym Azalea nudiflora var. crispa C.F.Ludw. variety synonym Rhododendron macrosepalum var. linearifolium (Hook.fil.) Makino variety synonym Rhododendron campanulatum var. lilacinum Verschaff. ex Van Geert variety synonym Rhododendron hirsutum var. fallax Bornm. variety synonym Rhododendron obtusum f. album (H.J.Veitch ex Mottet) C.K.Schneid. form heterotypic synonym Rhododendron kaempferi var. japonicum (Maxim.) Rehder variety synonym Rhododendron ferrugineum var. myrtifolium (Schott & Kotschy) Schröt. variety synonym Rhododendron ×maculosissimum Standish species homotypic synonym Rhododendron ×amphipyros Standish ex J.Dix species doubtful Rhododendron campylogynum var. eupodum Ingram variety synonym Rhododendron ferrugineum f. atrococcineum (Bean) Rehder form synonym Rhododendron calendulaceum var. mortieri (Sweet) G.Nicholson variety synonym Rhododendron caucasicum var. stramineum Hook. variety synonym Azalea coccinea C.F.Ludw. species synonym Ledum groenlandicum f. compactum (Bean) Rehder form synonym Rhododendron ×cunninghamii (Paxton) T.Moore species synonym Azalea indica var. variagata Van Houtte variety synonym Azalea indica subsp. purpurea-plena Bretschn. subspecies synonym Rhododendron ferrugineum var. intermedium (Tausch) Dolliner variety synonym Rhododendron hirsutum f. microphyllum (Briq.) Bolzon form synonym Azalea indica var. crystallina Verschaff. variety synonym Rhododendron ledifolium var. leucanthum (Bunge) DC. variety synonym Rhododendron dalhousieae var. pulchellum Van Geert variety synonym Azalea nudiflora subsp. spuria-pulchra Reider subspecies synonym Rhododendron nudiflorum var. coccineum (Aiton) Sweet variety synonym Rhododendron kiyosumense subsp. mayebarae (Nakai & H.Hara) Makino subspecies synonym Rhododendron caucasicum var. roseum-purpurascens Van Geert variety synonym Rhododendron ×mortieri var. carneum Sweet variety synonym Rhododendron ferrugineum var. erectum Millais variety synonym Rhododendron willmottiae Anon. species synonym Azalea tomentosa Du Roi ex F.Dietr. species synonym Rhododendron rosmarinifolium var. speciosum Makino variety synonym Rhododendron ×smithii subsp. aureum Paxton subspecies synonym Azalea indica var. purpurea P.B.Mead variety synonym Rhododendron hirsutum f. variegatum (G.Don) Rehder form synonym Rhododendron campanulatum var. violaceum Verschaff. ex Van Geert variety synonym Rhododendron burmanni f. dianthiflorum (Carrière) Nakai form synonym Azalea indica var. obtusa (Lindl.) Rehder variety synonym ×Rhodazalea crouxii Anon. species synonym Azalea indica var. phoenicea (Sweet) Hovey variety synonym Rhododendron obtusum f. komatsui (Nakai) H.Hara form synonym Rhododendron dilatatum var. kiyosumense (Makino) Hatus. variety synonym Azalea indica subsp. coccinea Reider subspecies synonym Rhododendron japonicum f. flavum (Miyoshi) Nakai form synonym Rhododendron ×pavonium Rollison species doubtful Rhododendron lateritium var. brachytrichum Nakai variety synonym Azaleastrum albiflorum (Hook.) Beck & Abel species synonym Rhododendron campanulatum var. purpureum-maculatum Van Geert variety synonym Rhododendron hirsutum var. parvifolium L.Keller variety synonym Azalea indica var. sinensis Van Houtte variety synonym Rhododendron poukhanense var. yodogawa Rehder variety synonym Rhododendron metternichii var. angustifolium (Makino) Bean variety synonym Rhododendron nudiflorum var. roseum (Loisel.) Sweet variety synonym Rhododendron caucasicum var. albicans Van Geert variety synonym Rhododendron ×ochroleucum Veitch ex J.Dix species doubtful Rhododendron sinense var. flavescens Sweet variety synonym Rhododendron campanulatum var. lilacinum Verschaff. variety homotypic synonym Rhododendron quinquefolium var. roseum Rehder variety synonym Rhododendron caucasicum var. atrorubens Van Geert variety synonym Rhododendron hirsutum f. albiflorum Goiran form synonym Rhododendron makinoi var. basirosaceum Makino variety synonym Rhododendron ledifolium var. album (Lindl.) Rehder variety synonym Azalea indica var. angustifolia Blume variety synonym Rhododendron hirsutum var. albiflorum (Goiran) Schröt. variety synonym Azalea rubra Weston species synonym Rhododendron osuzuyamense f. albiflorum Hatus. ex Minamit. form synonym Rhododendron indicum var. kirishima Millais variety synonym Azalea rosmarinifolia var. narcissiflora (Planch.) Rehder variety synonym Rhododendron catawbiense f. album (P.Glass) Rehder form synonym Rhododendron ferrugineum f. erectum (Millais) Rehder form synonym Rhododendron ×praecox f. rubrum (W.Watson) E.H.Wilson form synonym Rhododendron caucasicum var. delicatum-novum Verschaff. variety homotypic synonym Rhododendron ×clowesianum Rollison species doubtful Azalea lateritia (Lindl.) André species synonym Azalea nudiflora var. carnea C.F.Ludw. variety synonym Rhododendron wadanum f. leucanthum (Makino) H.Hara form synonym Rhododendron ×nobleanum var. venustum Millais variety synonym Rhododendron ×spinulosum W.Watson species homotypic synonym Azalea indica var. coccinea (Reider) P.B.Mead variety synonym Azalea westlandii (Hemsl.) Kuntze species proparte synonym Rhododendron ×hannoense Nakai species proparte synonym Azalea ×amoena Lindl. species proparte synonym Azalea californica (Hook.fil.) Kuntze species proparte synonym Rhododendron album (Pursh) Hoffmanns. species proparte synonym Rhododendron farrerae var. weyrichii (Maxim.) Diels variety proparte synonym Ledodendron ×vanhoeffenii (Abrom.) Dalgaard & Fredskild species synonym Ledum columbianum Piper species synonym Ledum glandulosum var. columbianum (Piper) C.L.Hitchc. variety synonym Ledum glandulosum subsp. australe C.L.Hitchc. subspecies synonym Ledum glandulosum subsp. olivaceum C.L.Hitchc. subspecies synonym Ledum palustre L. species synonym Ledum glandulosum Nutt. species synonym Ledum glandulosum var. californicum (Kellogg) C.L.Hitchc. variety synonym Ledum groenlandicum subsp. glandulosum (Nutt.) Á.Löve & D.Löve subspecies synonym Ledum groenlandicum Oeder species synonym Rhododendron groenlandicum (Oeder) Kron & Judd species accepted Ledum palustre var. latifolium (Jacq.) Michx. variety synonym Rhododendron periclymenoides (Michx.) Shinners species accepted Rhododendron nudiflorum var. glandiferum (Porter) Rehder variety synonym Azalea nudiflora L. species synonym Rhododendron nudiflorum Torr. species synonym Rhododendron periclymenoides var. eglandulosum Seymour variety synonym Rhododendron atlanticum (Ashe) Rehder species accepted Azalea atlantica Ashe species synonym Rhododendron cumberlandense E.L.Braun species accepted Rhododendron calendulaceum (Michx.) Torr. species accepted Azalea lutea L. species proparte synonym Azalea calendulacea Michx. species synonym Rhododendron canescens (Michx.) Sweet species synonym Azalea canescens var. subglabra (Rehder) Small variety synonym Rhododendron canescens var. canescens variety synonym Rhododendron canescens var. candidum (Small) Rehder variety synonym Rhododendron candidum (Small) Rehder species synonym Azalea candida Small species synonym Rhododendron canescens var. subglabrum Rehder variety synonym Azalea canescens Michx. species synonym Rhododendron catawbiense Michx. species accepted Rhododendron flammeum (Michx.) Sarg. species accepted Azalea speciosa Willd. species synonym Rhododendron macrophyllum D.Don species doubtful Rhododendron californicum Hook. species synonym Rhododendron ×pennsylvanicum (B.E.Harkn.) Rehder species accepted Rhododendron arborescens (Pursh) Torr. species accepted Azalea arborescens Pursh species synonym Rhododendron arborescens var. richardsonii Rehder variety synonym Rhododendron prunifolium (Small) Millais species accepted Azalea prunifolia Small species synonym Rhododendron viscosum (L.) Torr. species accepted Rhododendron serrulatum (Small) Millais species accepted Rhododendron coryi Shinners species synonym Rhododendron viscosum var. serrulatum (Small) H.E.Ahles variety synonym Rhododendron viscosum var. glaucum (Michx.) A.Gray variety synonym Azalea serrulata Small species synonym Rhododendron viscosum var. nitidum (Pursh) A.Gray variety synonym Rhododendron viscosum var. aemulans Rehder variety synonym Azalea viscosa L. species synonym Rhododendron viscosum var. tomentosum (Du Roi ex F.Dietr.) Rehder variety synonym Rhododendron viscosum var. montanum Rehder variety synonym Rhododendron canadense (L.) Torr. species accepted Rhodora canadensis L. species synonym Azalea canadensis (L.) Kuntze species synonym Rhododendron ferrugineum L. species accepted Rhododendron carolinianum Rehder species synonym Rhododendron lapponicum (L.) Wahlenb. species accepted Rhododendron minus Michx. species accepted Rhododendron occidentale (Torr. & A.Gray) A.Gray species accepted Rhododendron albiflorum Hook. species accepted Rhododendron prinophyllum (Small) Millais species synonym Rhododendron nudiflorum var. roseum (Loisel.) Wiegand variety synonym Azalea prinophylla Small species synonym Rhododendron roseum (Loisel.) Rehder species accepted Rhododendron austrinum (Small) Rehder species accepted Azalea austrina Small species synonym Rhododendron vaseyi A.Gray species accepted Biltia vaseyi (A.Gray) Small species synonym Rhododendron ×welleslyanum Waterer ex Rehder species accepted Rhododendron wellesleyanum Waterer ex Rehder species synonym Rhododendron camtschaticum Pall. species accepted Rhododendron japonicum (A.Gray) Suringar species accepted Azalea japonica A.Gray species heterotypic synonym Rhododendron maximum L. species accepted Rhododendron ashleyi Coker species synonym Rhododendron oblongifolium (Small) Millais species synonym Rhododendron alabamense Rehder species accepted Azalea alabamensis (Rehder) Small species synonym Rhododendron farreri var. weyrichii Diels variety synonym Rhododendron watsonii var. rhododactylum (Hort.) Davidian variety synonym Rhododendron simsii subsp. strigosostylum G.Z.Li subspecies synonym Rhododendron simsii var. tawadii (Ohwi) Hatus. variety synonym Azalea indica subsp. simsii (Planch.) Rehder subspecies synonym Ledum latifoilium Jacq. species synonym Rhododendron rubropilosum subsp. breviperulatum T.Yamaz. subspecies synonym Rhododendron carolinianum var. margarettii Ashe variety synonym Rhododendron indicum subsp. ignescens Sweet subspecies synonym Rhododendron simsii subsp. albiflorum R.L.Liu subspecies synonym Rhododendron wilsonii var. ionanthum W.P.Fang variety synonym Rhododendron brachycarpum Koidz. species doubtful Rhododendron davisiae Koehne species synonym Rhododendron championiae var. ovalifolium P.C.Tam variety synonym Menziesia katsumatii M.Tash. & H.Hatta species synonym Rhododendron catesbei J.Forbes species synonym Azalea farreri (Tate) K.Koch species synonym Rhododendron farrerae subsp. weyrichii Diels subspecies synonym Rhododendron macrocarpum VanHoutte species synonym Rhododendron indicum subsp. formosanum Hayata subspecies synonym Rhododendron oides Balf.f. & Forrest species synonym Rhododendron catawbiense x maximum species synonym Rhododendron mucronulatum f. lucidum (Nakai) M.Kim form synonym Rhododendron reticulatum subsp. ciliatum (Nakai) Minamit. subspecies synonym Rhododendron reticulatum var. hidekokubuanum Minamit. variety synonym Rhododendron ledifolium x R. indicum species synonym Rhododendron kyushuense Minamit. species accepted Rhododendron catawbiense × maximum species accepted Rhododendron yakumontanum var. katsumarunoanum Minamit. variety synonym Rhododendron kyushuense f. albiflorum Minamit. form synonym Rhododendron nudipes f. gokanosyoense Minamit. form synonym Rhododendron reticulatum var. shimanum Minamit. & K.Yamawaki variety synonym Rhododendron reticulatum var. ciliatum Nakai variety synonym Rhododendron microcarpum R.L.Liu & L.M.Gao species accepted Rhododendron awatosaense Minamit. & Yonek. species accepted Rhododendron ferrugineum x hirsutum species accepted Ledum palustre var. macrophyllum (Tolm.) Kitag. variety synonym Rhododendron chamahense Rafidah species accepted Rhododendron sohayakiense Y.Watan. & T.Yukawa species accepted Rhododendron ×sesterianum J.J.Veitch species accepted Rhododendron meagae Mambrasar & Hutabarat species accepted Rhododendron rimicola X.L.Tian, Y.P.Ma & J.Nielsen species accepted Rhododendron xishuiense C.H.Yang & C.D.Yang species accepted Rhododendron ×mortieri Sweet species accepted Rhododendron suoilenhense D.F.Chamb., N.T.T.Huong & Rushforth species accepted Rhododendron ×fragrantissimum Rollisson species synonym Rhododendron ×anneliesiae Rehder species accepted Rhododendron pudingense X.Y.Dai, C.H.Yang & Y.P.Ma species accepted Rhododendron christianiae Sleumer species accepted Rhododendron patuergense S.S.Ying species doubtful Rhododendron widjajae Argent & Mambrasar species accepted Rhododendron maculiferum subsp. anwheiense (E.H.Wilson) D.F.Chamb. subspecies synonym Rhododendron rubiginosum var. ptilostylum R.C.Fang variety heterotypic synonym Rhododendron quadrasianum subsp. cuneifolium (Stapf) H.F.Copel. subspecies synonym Azalea ×altaclarensis (Lindl.) Lindl. species synonym Menziesia multiflora subsp. duplex Satomi & M.Hashim. subspecies synonym Rhododendron ponticum var. azaleoides (Desf. ex Dum.Cours) Loudon variety synonym Rhododendron nudipes f. fugenense Minamit. form synonym Rhododendron ×williamsii Mottet species doubtful Rhodothamnus camtschaticus (Pall.) Peterm. species synonym Rhododendron tashiroi f. album Hatus. ex Minamit. form synonym Rhododendron devrieseanum subsp. astrapiae F.Först. subspecies synonym Rhododendron parvifolium var. alpinum Glehn variety synonym Rhododendron farrerae subsp. leucotrichum Franch. subspecies synonym Rhododendron palustre subsp. decumbens (Aiton) subspecies synonym Azalea moulmainensis (Hook.) Kuntze species synonym Rhododendron camtschaticum subsp. typicum Hultén subspecies synonym Azalea vittata-punctata (Van Houtte) Lem. species synonym Rhododendron lyi H.Lév. species synonym Therorhodion camtschaticum subsp. camtschaticum subspecies synonym Rhododendron meridionale var. minus P.C.Tam variety synonym Chamaecistus camtschaticus (Pall.) Regel species synonym Rhododendron nudipes f. gracilescens (Nakai) Minamit. form synonym Rhododendron hyugaense f. albiflorum Hatus. ex Minamit. form synonym Rhododendron weyrichii var. purpuriflorum (T.Yamaz.) Minamit. variety synonym Azalea tashiroi (Maxim.) Kuntze species synonym Azalea lochiae (F.Muell.) Kuntze species synonym Rhododendron punctatum var. majus G.Don variety synonym Rhododendron venator Tagg ex L.Rothsch. species accepted Rhododendron seguinii H.Lév. species synonym Rhododendron ovatum subsp. lamprophyllum (Hayata) Y.C.Liu subspecies synonym Rhododendron nudipes f. lobatum Minamit. form synonym Azalea camtschatica (Pall.) Kuntze species synonym Azalea bureavii (Franch.) Kuntze species synonym Rhododendron ellipticum var. tanakae (Hayata) S.S.Ying variety synonym Rhododendron hyugaense f. albiflorum Hatus. form homotypic synonym Rhododendron sutchuenense var. geraldii Hutch. variety synonym Rhododendron cinereoserratum P.C.Tam species synonym Rhododendron indicum var. luteum (Sweet) G.Don variety synonym Azalea tomentosa Du Roi species homotypic synonym Azalea championiae (Hook.) Kuntze species synonym Rhododendron kiyosumense f. glabrescens Minamit. form synonym Therorhodion camtschaticum subsp. glandulosum (Standl. ex Small) subspecies synonym Azalea vaccinioides (Hook.fil.) Kuntze species synonym Rhododendron tashiroi f. album Hatus. form homotypic synonym Rhododendron kyushuense f. glabrescens (Nakai & H.Hara) Minamit. form synonym Rhododendron dauricum f. albiflorum (Turcz.) Y.C.Chu, 1989 form synonym Rhododendron esquirolii H.Lév. species synonym Rhododendron hirsutum var. variegatum G.Don variety synonym Rhododendron dauricum subsp. ledebourii (Pojark.) Alexandrova & P.A.Schmidt subspecies synonym Rhododendron californicum var. washingtonianum Zabel ex Rehder variety synonym Rhododendron ponticum var. smithii (Sweet) G.Don variety synonym Azalea viscosa var. tomentosa (Du Roi ex F.Dietr.) Dum.Cours. variety synonym Rhododendron ×hunsteinii Argent species accepted Rhododendron parryi Hutch. species accepted Rhododendron farreri Sweet species accepted Rhododendron sutcheunense Franch. species accepted Rhododendron siobriense Argent species accepted Azalea linearifolia Carrière species synonym Rhododendron pseudochrysanthum subsp. nankotaisanense T.Yamaz. subspecies synonym Rhododendron farrerae subsp. typicum Diels subspecies synonym Rhododendron devrieseanum subsp. astrapii Foester subspecies synonym Ledum groelandicum Oeder species synonym Rhododendron dalhousieae var. lindleyanum Lavallée variety synonym Rhododendron indicum subsp. puniceum Sweet subspecies synonym Rhododendron glischrodes Tagg & Forrest species synonym Rhododendron indicum subsp. simsii Maxim. subspecies synonym Rhododendron farreri var. mediocre Diels variety synonym Rhododendron farrerae subsp. mediocre Diels subspecies synonym Rhododendron arboreum W.W.Sm. species doubtful Rhododendron farreri var. leucotrichum Franch. variety synonym Menziesia katsumatii f. duplex (Satomi & M.Hashimoto) Satomi form synonym Rhododendron dauricum var. atrovirens KerGawl. variety synonym Rhododendron oldhamii subsp. glandulosum Hayata subspecies synonym Chamaecistus kamtschaticus (Pall.) Regel species synonym Waldemaria argentea (Hook.fil.) Klotzsch species synonym Vireya tubiflora Blume species synonym Vireya retusa Blume species synonym Vireya celebica Blume species synonym Vireya alba (Blume) Blume species synonym Menziesia yakushimensis M.Tash. & H.Hatta species synonym Menziesia urceolaris Salisb. species synonym Menziesia tubiflora Koidz. species synonym Menziesia smithii Michx. species synonym Menziesia purpurea Maxim. species synonym Menziesia pentandra Maxim. species synonym Menziesia multiflora var. longicalyx Kitam. variety synonym Menziesia multiflora f. bicolor (Makino) T.Yamaz. form synonym Menziesia lasiophylla Nakai species synonym Menziesia katsumatae f. duplex (Satomi & M.Hashim.) Satomi form synonym Menziesia ×kamatae Mochizuki species synonym Menziesia goyozanensis M.Kikuchi species synonym Menziesia globularis Salisb. species heterotypic synonym Menziesia ferruginea var. globularis A.Gray variety synonym Menziesia ciliicalyx (Miq.) Maxim. species synonym Candollea azaleoides Baumg. species synonym Rhodothamnus kamtchaticus (Pall.) Lindl. & Paxton species synonym Andromeda ciliicalyx Miq. species synonym Rhododendron ×manglesii H.J.Veitch species accepted Rhododendron datiandingense Z.J.Feng species accepted Ledum glandulosum var. australe C.L.Hitchc. variety synonym Azalea fragrans Adams species heterotypic synonym Rhododendron mariae subsp. microphyton (Franch.) X.F.Jin & B.Y.Ding subspecies synonym Rhododendron dauricum f. albiflorum (Turcz.) Y.C.Zhu form synonym Rhododendron siamense Diels species synonym Rhododendron pleistanthum Balf.f. ex Hutch. species synonym Rhododendron catacosmum Balf.fil. ex Tagg species accepted Rhododendron dauricum subsp. sichotense (Pojark.) Alexandrova & P.A.Schmidt subspecies synonym Rhododendron rubropilosum var. taiwanalpinum (Ohwi) S.S.Ying variety synonym Rhododendron occidentale var. californicum (Torr. & A.Gray ex Durand) Hrusa variety synonym Rhododendron indicum var. tamuraii Makino variety synonym Rhododendron bailiense Y.P.Ma, C.Q.Zhang & D.F.Chamb. species accepted Rhododendron lucidum Nutt. species heterotypic synonym Rhododendron smithii Nutt. species doubtful Rhododendron orion var. aurantiacum Ridl. variety synonym Rhododendron purpureum G.Don species synonym Rhododendron ×docimum Balf.fil. ex Tagg species synonym Rhododendron titapuriense A.A.Mao, K.N.E.Cox & D.F.Chamb. species accepted Rhododendron stewartianum var. aiolosapinx (Balf.fil. & Farrer) Cowan & Davidian variety synonym Rhododendron kwangsiense Hu ex P.C.Tam species synonym Rhododendron ×fragrans Paxton species accepted Rhododendron augustini f. grandifolium Franch. form synonym Rhododendron viscosum var. glaucum (Aiton) Torr. variety synonym Rhododendron eudoxum subsp. temenium (Balf.fil. & Forrest) Tagg subspecies synonym Rhododendron racemosum var. rigidum (Franch.) Rehnelt variety synonym Azalea macrosepala (Maxim.) K.Koch species synonym Rhododendron litangense Balf.fil. ex Hutch. species synonym Rhododendron subroseum Xiang Chen & Jia Y.Huang species accepted Rhododendron stenophyllum Hook.f. ex Stapf species doubtful Rhododendron periclymenoides f. glandiferum (Porter) C.F.Reed form synonym Rhododendron rawatii I.D.Rai & B.S.Adhikari species accepted Menziesia ferruginea var. glabella (A.Gray) M.Peck variety synonym Azalea morteri Sweet ex Baxter & Wooster species synonym Rhododendron ovatum var. lamprophyllum (Hayata) Y.C.Liu variety synonym Rhododendron parvifolium f. alpinum Glehn form synonym Rhododendron potaninii Batalin species accepted Rhododendron indicum var. puniceum Sweet variety synonym Rhododendron eriandrum H.Lév. ex Hutch. species synonym Rhododendron arizelum var. rubicosum Cowan & Davidian variety synonym Rhododendron mucronulatum f. albiflorum (Nakai) Okuyama form synonym Rhododendron mussotii Franch. species synonym Rhododendron mollicomum var. rockii Tagg variety synonym Rhododendron ×morteri Sweet species doubtful Rhododendron tsoi var. huiyangense (W.P.Fang & M.Y.He) X.F.Jin & B.Y.Ding variety synonym Rhododendron temenium subsp. temenium subspecies synonym Rhododendron chaetomallum var. xanthanthum Taggart & Forrest variety synonym Menziesia multiflora f. duplex Satomi & Hashimoto form synonym Rhododendron formosum var. johnstonianum Brandis variety synonym Azalea farrerae (Sweet) K.Koch species synonym Rhododendron quadrasianum var. angustissimum J.J.Sm. variety synonym Rhododendron maximum Thunb. species heterotypic synonym Rhododendron kamtchaticum Pall. species synonym Rhododendron obscurum Franch. ex Balf.fil. species heterotypic synonym Rhododendron giganteum var. seminudum Tagg & Forrest variety synonym Rhododendron simulans J.J.Sm. ex Sleumer species accepted Rhododendron clementinae Forrest species accepted Rhododendron ericoides var. silvicola Sleumer variety synonym Rhododendron bamaense Z.J.Zhao species accepted Rhododendron reticulatum var. wadanum (Makino) Hatus. variety synonym Menziesia ferruginea A.Gray species synonym Rhododendron molle Siebold & Zucc. species synonym Rhododendron lepidotum Wall. ex G.Don species synonym Rhododendron occidentale W.Watson, 1886 species doubtful Rhododendron vaniotii H.Lév. species accepted Rhododendron sanguineum var. mesaeum Davidian variety synonym Rhododendron pittosporifolium Hemsl. species synonym Rhododendron hukwangense P.C.Tam species synonym Rhododendron album Blume species accepted Rhododendron leishanicum W.P.Fang & S.S.Chang ex D.F.Chamb. species accepted Rhododendron concinnum var. lepidanthum (Rehder & E.H.Wilson) Rehder variety synonym Rhododendron villosum Hemsl. & E.H.Wilson species synonym Rhododendron arfakianum Becc. species accepted Rhododendron gologense C.J.Xu & Z.J.Zhao species accepted Rhododendron ×superponticum Cullen species accepted Rhododendron lapponicum f. albiflorum (Herder ex Maxim.) T.Yamaz. form synonym Azalea indica var. alba Lindl. variety synonym Rhododendron indicum var. pulchrum (Sweet) G.Don variety synonym Rhododendron zippelii Blume species synonym Rhododendron indicum var. ignescens Sweet variety synonym Rhododendron ×paradoxum Balf.fil. species accepted Rhododendron brookeanum var. extraneum Sleumer variety synonym Rhododendron palustre Turcz. ex DC. species heterotypic synonym Azalea arborea Barton ex Steud. species synonym Rhododendron goyozanense (M.Kikuchi) Craven species accepted Azalea fulva Michx. ex Lam. species synonym Rhododendron minus var. majus (G.Don) D.H.Voss variety synonym Rhododendron yungningense Balf.fil. ex Hutch. species accepted Rhododendron mucronulatum var. latifolium Nakai variety synonym Rhododendron rivulare var. kwangtungense (Merr. & Chun) X.F.Jin & B.Y.Ding variety synonym Rhododendron elliottii Watt ex Brandis species doubtful Ledum decumbens Small species doubtful Rhododendron gymnocarpum Balf.fil. ex Tagg species synonym Rhododendron kouytchense H.Lév. species synonym Rhododendron lukiangense subsp. admirabile (Balf.fil. & Forrest) Tagg subspecies synonym Rhododendron farrerae var. leucotrichum Franch. variety synonym Rhododendron aureum Georgi species accepted Rhododendron lancifolium Hook.fil. species synonym Azalea oldhamii (Maxim.) Kuntze species synonym Azalea falconeri (Hook.fil.) Kuntze species synonym Rhododendron sinensis (Lodd.) Sweet species synonym Rhododendron simsii var. mesembrinum Rehder variety synonym Rhododendron canescens (Michx.) G.Don species accepted Menziesia ciliicalyx var. tubiflora Koidz. variety synonym Rhododendron valentianum var. changii W.P.Fang variety synonym Ledum palustre Michx. species heterotypic synonym Rhododendron tanakae Hayata species heterotypic synonym Rhododendron ellipticum var. tanakaii (Hayata) S.S.Ying variety synonym Rhododendron temenium subsp. albipetalum Cowan subspecies synonym Rhododendron maddenii var. longiflorum W.Watson variety synonym Rhododendron brachycarpum Zucc. ex Maxim. species heterotypic synonym Rhododendron nervulosum Sleumer species accepted Rhododendron concinnum var. benthamianum (Hemsl.) Davidian variety synonym Rhododendron valentinianum var. changii W.P.Fang variety synonym Rhododendron metternichii var. yakusimanum (Nakai) Ohwi variety synonym Rhododendron cochlearifolium Xiang Chen & Jia Y.Huang species accepted Rhododendron myrtifolium Schott & Kotschy species heterotypic synonym Rhododendron farrerae var. weyrichii (Maxim.) Diels variety proparte synonym Rhododendron superbum hort. ex Lavallée, 1877 species doubtful Rhododendron canescens Porter species heterotypic synonym Rhododendron lanatum var. luciferum Cowan variety synonym Ledum palustre var. latifolium (Jacq.) Hook. variety heterotypic synonym Rhododendron sanguineum subsp. sanguineum subspecies synonym Rhododendron microphyton var. trichanthum A.L.Chang ex R.C.Fang variety synonym Rhododendron smithii Nutt. ex Hook. species synonym Rhododendron netternichii var. pentamerum Maxim. variety synonym Rhodothamnus camtschaticus (Pall.) Lindl. & Paxton species synonym Rhododendron griffithianum var. aucklandii (Hook.fil.) Hook. variety synonym Rhododendron degronianum subsp. yakusimanum (Nakai) H.Hara subspecies synonym Rhododendron ×carnarvonii Sweet species doubtful Rhododendron wrightianum var. ovalifolium J.J.Sm. variety synonym Rhododendron kailiense W.P.Fang & M.Y.He species accepted Rhododendron obtusum var. honkirishima Komatsu variety synonym Rhododendron chaetomallum var. hemigymnum Tagg & Forrest variety synonym Rhododendron pudiense Xiang Chen & Jia Y.Huang species accepted Rhododendron hypoleucophyllum Makino ex H.Hara species doubtful Rhododendron siderophylloides Hutch. species synonym Rhododendron liaoxigense S.L.Tung & Z.Lu species accepted Rhododendron mucronulatum var. acuminatum Hutchison variety synonym Rhododendron dauricum var. ciliatum (Nakai) E.H.Wilson variety synonym Rhododendron beanianum var. compactum Cowan variety synonym Rhododendron ×pelargoniiflorum Van Houtte species doubtful Rhododendron cookeanum Davidian species synonym Rhododendron roxieanum Forrest species accepted Rhododendron menziesii subsp. glabellum (A.Gray) Craven subspecies synonym Rhododendron culminicolum var. angiense (J.J.Sm.) Sleumer variety homotypic synonym Azalea lapponica L. species synonym Rhododendron anhweiense E.H.Wilson species synonym Rhododendron ×erythrocalyx subsp. docimum Balf.fil. ex Tagg subspecies synonym Rhododendron farrerae var. mediocre Diels variety synonym Rhododendron clementinae subsp. aureodorsale W.P.Fang subspecies synonym Azalea japonica (Blume) Kuntze species heterotypic synonym Rhododendron youngiae W.P.Fang species synonym Rhododendron sanguineum subsp. sanguineoides Cowan subspecies synonym Rhododendron quadrasianum var. cuneifolium (Stapf) H.F.Copel. variety synonym Rhododendron temenium subsp. pothinum (Balf.fil. & Forrest) Cowan subspecies synonym Rhododendron mucronulatum var. taquetii (H.Lév.) Nakai variety synonym Rhododendron indicum var. variegatum (Blume) DC. variety synonym Rhododendron lacteum var. macrophyllum Franch. variety synonym Azalea californica (Hook.fil.) Kuntze species proparte synonym Rhododendron wilsonii Nutt. ex Hook. species synonym Rhododendron surugaense Sugim. ex Kurata species synonym Rhododendron jiulongshanense Xiang Chen & Jia Y.Huang species accepted Rhododendron brevitubum J.J.Sm. species heterotypic synonym Rhododendron nipholobum Balf.fil. & Farrer species synonym Rhododendron ×geraldii (Hutch.) Ivens species accepted Rhododendron ×hirsutiforme Grembl. species synonym Rhododendron gumineense Craven species accepted Azalea ×seymourii Lindl. species synonym Rhododendron simsii var. strigosostylum G.Z.Li variety synonym Rhododendron lingii Chun ex Ching species synonym Rhododendron metternichii var. degronianum (Carrière) Makino variety synonym Rhododendron ×hemigymnum (Tagg & Forrest) D.F.Chamb. species accepted Rhododendron petelotii Dop species synonym Rhododendron palustre Turcz. species synonym Azalea viscosa var. glauca Aiton variety synonym Rhododendron chrysanthum var. niko-montanum Komatsu variety synonym Rhododendron chrysocalyx subsp. meridionale (P.C.Tam) X.F.Jin & B.Y.Ding subspecies synonym Rhododendron kongboense Kingdon-Ward ex Hutch. species accepted Rhododendron subespitatum Chun ex P.C.Tam species synonym Rhododendron degronianum var. yakusimanum (Nakai) Kitam. variety synonym Rhododendron dauricum var. atrovirens Ker Gawl. variety synonym Rhododendron viscosum Fisch. ex Herder species synonym Rhododendron verticillatum H.Low ex Lindl. species accepted Rhododendron fragrans (Adams) Maxim. species heterotypic synonym Plinthochroma ferrugineum (L.) Dulac species synonym Rhododendron lophogynum Balf.fil. ex Hutch. species synonym Azalea makinoi var. muranoana Makino variety synonym Rhododendron yakushimense (M.Tash. & H.Hatta) Craven species accepted Rhododendron cunninghamii K.Koch species synonym Rhododendron trancongii Argent & Rushforth species accepted Rhododendron washingtonianum hort. species homotypic synonym Rhododendron colemanii R.F.Mill. species accepted Rhododendron concinnum f. laetevirens Cowan form synonym Rhododendron nitens Hutch. species synonym Rhododendron shikokianum var. nudistemon Koidz. variety synonym Hymenanthes crassifolia H.J.Veitch species doubtful Rhododendron molle var. glabrior (Miq.) Regel variety synonym Rhododendron malayanum var. axillare J.J.Sm. variety synonym Rhododendron maxwellii Millais species synonym Rhododendron viscosum f. viscosum form synonym Rhododendron burmannii G.Don species synonym Rhododendron multiflorum var. purpureum (Maxim.) Craven variety synonym Rhododendron loureiriana G.Don species doubtful Rhododendron sanctum var. lasiogynum Nakai ex Sugim. variety synonym Azalea pilosa Michx. ex Lam. species synonym Rhododendron sheltoniae Hemsl. & E.H.Wilson species synonym Rhododendron japonicum var. pentamerum (Maxim.) Hutch. variety synonym Rhododendron magorianum Balf.f. ex Tagg species doubtful Rhododendron lapponicum var. parvifolium (Adams) T.Yamaz. variety homotypic synonym Rhododendron latifolium Hoppe species heterotypic synonym Azalea alabamensis (Rehder) Ashe species synonym Rhododendron hedythamnum var. eglandulosum Hand.-Mazz. variety synonym Ledum palustre f. parvifolium Maack form synonym Rhododendron serotinum Hutch. species accepted Rhododendron bainaense Xiang Chen & C.H.Yang species accepted Rhododendron serpyllifolium Hayata species heterotypic synonym Rhododendron faithiae Chun species accepted Rhododendron shangyounicum L.M.Cao & R.L.Liu species accepted Rhododendron eritimum subsp. gymnogynum (Balf.fil. & Forrest) Tagg subspecies synonym Rhododendron temenium subsp. rhodanthum Cowan subspecies synonym Rhododendron reticulatum var. nudipes (Nakai) Hatus. variety synonym Rhododendron tschonoskii subsp. trinerve (Franch. ex H.Boissieu) Kitam. subspecies synonym Rhododendron ×silvicola (Sleumer) Argent, A.L.Lamb, Phillipps & Collen. species accepted Rhododendron apradae U.Rai & Lama species accepted Rhododendron shaoakouense S.S.Ying species accepted Rhododendron tjiasmantoi Mustaqim, Mambrasar & Hutabarat species accepted Rhododendron benomense Rafidah & A.C.Elliott species accepted Rhododendron kuomeianum Yu H.Chang, J.Nielsen & Y.P.Ma species accepted Rhododendron smokianum Ralf Bauer & Albach species accepted Rhododendron ardii Hutabarat, Mambrasar & Mustaqim species accepted Rhododendron abhayae L.K.Rai species accepted Rhododendron tephropeploides R.A.Baines & D.F.Chamb. species accepted Rhododendron nantouense S.S.Ying species accepted Rhododendron huanshanense S.S.Ying species accepted Rhododendron ×ootrichum (Sleumer) Argent species accepted Rhododendron spec Sweet, 1830 species doubtful Rhododendron hirsutum var. ciliatum Braun-Blanq. variety synonym Rhododendron canadensis (Linnaeus, 1762) Torr. species synonym Rhododendron hirsutum f. albiflorum (Goiran) Braun-Blanq. form synonym Rhododendron ferrugineum f. albiflorum Rhiner form synonym Rhododendron spec (Michx.) Shinners, 1962 species doubtful Ledum palustre var. thymifolium Burgsd. variety synonym Rhododendron ferrugineum var. albiflorum Brügger variety synonym Rhododendron hirsutum f. dryadifolium (Murr) Braun-Blanq. form synonym Rhododendron cordifolium Denham, 1832 species accepted Rhododendron spec (Linnaeus, 1753) Wahlenb. species accepted Rhododendron cordifolium Denham species doubtful Rhododendron hirsutum f. microphyllum (Briq.) Braun-Blanq. form synonym Rhododendron grande var. singalense U.Rai, Lama, N.Thapa & Baraily variety synonym Rhododendron hirsutum var. dryadifolium Murr variety synonym Rhododendron hirsutum f. latifolium (Hoppe) Braun-Blanq. form synonym Rhododendron ferrugineum f. albiflorum (Thürlings) Braun-Blanq. form synonym Rhododendron rubropilosum subsp. taiwanalpinum (Ohwi) S.Y.Lu, Y.P.Yang & Y.H.Tseng subspecies homotypic synonym Rhododendron ×spinulosum W.Watson ex Bean species accepted Rhododendron chiliangense S.S.Ying species accepted Rhododendron starlingii Rushforth & N.T.T.Huong species accepted Rhododendron ×stanwellianum Millais species accepted Rhododendron ×sekimori Komatsu species accepted Rhododendron ×satsumense Hatus. species accepted Rhododendron ×caucasicoarboreum Maund & Hensl. species accepted Rhododendron ×mixtum E.H.Wilson species accepted Rhododendron pangeanum A.A.Mao & Bhaumik species accepted Rhododendron ×praecox J.Dix species accepted Rhododendron ×fraseri W.Watson species accepted Rhododendron verschaffeltii Verschaff. species accepted Rhododendron sajanense Stepanov species accepted Rhododendron ×takahashianum Sugim. species accepted Rhododendron ×shilsonii Dallim. species accepted Azalea viscosa var. pubescens G.Lodd. variety synonym Rhododendron caucasicum var. album-amoenum Van Geert variety synonym Rhododendron tubulosum Reinw. species heterotypic synonym Rhododendron hymenanthes f. angustifolium Makino form synonym Rhododendron rosmarinifolium f. fujimanyo Komatsu form synonym Azalea thunbergii (Planch.) André species synonym Rhododendron hirsutum var. hispidissimum Schröt. variety synonym Azalea indica var. rawsonii Loudon variety synonym Rhododendron keiskei var. cordifolium Masam. variety synonym Rhododendron ×amoenum f. balsaminiflorum (Carrière) Zabel form synonym Rhododendron indicum var. kaempferi (Planch.) Maxim. variety synonym Rhododendron ponticum var. deciduum Andrews variety synonym Azalea sinensis var. glabrior (Miq.) Maxim. variety synonym Rhododendron catawbiense f. compactum Kelsey form homotypic synonym Rhododendron indicum f. balsaminiflorum (Carrière) Rehder form synonym Azalea vittata Fortune species synonym Rhododendron campanulatum var. leopoldii Verschaff. ex Van Geert variety synonym Azalea indica var. speciosa P.B.Mead variety synonym Rhododendron hortense f. criterion Nakai form synonym Rhododendron punctatum var. album Rehder variety synonym Rhododendron ×grandidissimum Van Geert species doubtful Rhododendron indicum var. brachytrichum Komatsu variety synonym Rhododendron christi var. loniceroides Schltr. variety synonym Rhododendron ×bylsianum Verschaff. species doubtful Rhododendron hirsutum var. lasiopus Brügger variety homotypic synonym Azalea ×punicea Sweet ex Poit. species synonym Rhododendron retusum var. macranthum Hochr. variety synonym Rhododendron charopoeum Balf.fil. & Farrer species synonym Rhododendron ferrugineum var. album D.Don variety synonym Rhododendron caucasicum var. bicolor Verschaff. ex Van Geert variety synonym Ledum groenlandicum var. compactum (Bean) Rehder variety synonym Rhododendron mucronatum var. pancratiflorum Makino variety synonym Rhododendron hirsutum var. lasiopus Brügger ex Schröd. variety synonym Rhododendron macranthum var. albiflorum-souchetianum Lem. variety synonym Rhododendron calophyllum var. roseum Regel variety synonym Rhododendron flavum var. coronarium Sweet variety synonym Rhododendron caucasicum var. flavidum Regel variety synonym Rhododendron ferrugineum var. albiflorum DC. variety synonym Azalea indica subsp. ignescens (Sweet) Hovey subspecies synonym Rhododendron reticulatum f. trichostylum Mizush. form homotypic synonym Azalea simsii var. vittata (Fortune) E.H.Wilson variety synonym Rhododendron caucasicum f. flavidum (Regel) Rehder form synonym Rhododendron ×excellens Van Geert species doubtful Rhododendron hortense f. noordtianum (Wittm.) Nakai form synonym Azalea indica var. balsaminiflora (Carrière) Kelsey & Dayton variety synonym Rhododendron ripense f. leucanthum Sugim. form synonym Rhododendron campanulatum var. alexandria Van Geert variety synonym Azalea indica var. amoena (Lindl.) Rehder variety synonym Rhododendron ×russelianum var. album Millais variety synonym Rhododendron indicum var. flore-pleno Drapiez variety synonym Rhododendron weyrichii var. sanctum (Nakai) Hatus. variety synonym Azalea rosmarinifolia var. purpurea Rehder variety synonym Azalea indica subsp. virginalis J.J.Veitch subspecies synonym Rhododendron indicum var. amoenum (Lindl.) Maxim. variety synonym Rhododendron rosmarinifolium var. album (Lindl.) C.K.Schneid. variety synonym Rhododendron degronianum f. leucanthum (Makino) H.Hara form synonym Rhododendron assamicum Anon. species synonym Azalea speciosa var. aurantiaca (F.Dietr.) G.Kirchn. variety synonym Rhododendron discolor f. carneum E.H.Wilson form synonym Rhododendron caucasicum var. album-lilacinum Van Geert variety synonym Azalea indica var. stella Veitch variety synonym Rhododendron veitchii J.J.Veitch species synonym Rhododendron cephalanthum var. crebreflorum (Hutch. & Kingdon-Ward) Cowan & Davidian variety synonym Azalea pontica var. sinensis (G.Lodd.) Lindl. variety synonym Rhododendron campanulatum var. leopoldii Verschaff. variety homotypic synonym Rhododendron myrtifolium G.Lodd. ex Rehder species doubtful Rhododendron beyerinckianum var. longipetiolatum J.J.Sm. variety synonym Rhododendron ellipticum Griff. species doubtful Rhododendron pentaphyllum f. albiflorum Asai & Torii form synonym Rhododendron caucasicum var. roseum-variabile Van Geert variety synonym Azalea pontica var. calendulacea (Michx.) Pers. variety synonym Rhododendron calendulaceum f. speciosum (Willd.) Voss form synonym Rhododendron makinoi var. leucanthum Makino variety synonym Rhododendron mucronatum f. narcissiflorum (Planch.) E.H.Wilson form synonym Azalea indica var. spatulata Blume variety synonym Rhododendron ×intermedium var. halense (Grembl.) Rouy variety synonym Azalea ledifolia var. noordtiana Wittm. variety synonym Rhododendron catawbiense f. compactum Kelsey ex Nearing form synonym Azalea glauca var. rosea H.Jaeger variety synonym Rhododendron serpyllifolium f. albiflorum (Makino) H.Hara form synonym Rhododendron farrerae var. typicum Diels variety synonym Rhododendron ×praecox subsp. rubrum W.Watson subspecies synonym Rhododendron ×incomparabile Rollison species doubtful Azalea nudiflora var. alba Mohr variety heterotypic synonym Rhododendron dalhousieae var. victorianum Cuvelier variety synonym Azalea breynii (Planch.) André species synonym Rhododendron wadanum f. kaimontanum Okuyama form synonym Rhododendron ×robustissimum Lindl. species homotypic synonym Rhododendron kiusianum f. albiflorum Honda & Maeda form synonym Rhododendron carolinianum var. album (Rehder) Rehder variety synonym Rhododendron purpureum subsp. roseum J.J.Veitch subspecies synonym Rhododendron indicum var. incarnatum DC. variety synonym Azalea indica var. elegans P.B.Mead variety synonym Rhododendron ×ochroleucum Veitch species homotypic synonym Rhododendron hirsutum f. album Schinz & R.Keller form synonym Rhododendron ×nobleanum Lindl. ex Millais species synonym Rhododendron cinnamomeum var. cunninghamii Paxton variety synonym Rhododendron caucasicum var. flavescens Verschaff. variety homotypic synonym Rhododendron ferrugineum f. album (D.Don) Zabel form synonym Rhododendron thomsonii var. pallidum Cowan variety synonym Azalea scabra Bosse species synonym Rhododendron albrechtii f. hypoleucum (Honda) H.Hara form synonym Rhododendron indicum var. tamurae Makino variety synonym Azalea narcissiflora (Planch.) Hovey species synonym Rhododendron makinoi var. roseum Makino variety synonym Azalea pontica var. flava (Hoffmanns.) DC. variety synonym Rhododendron hirsutum subsp. laciniatum Schröt. subspecies synonym Rhododendron caucasicum var. roseum-tigrinum Van Geert variety synonym Azalea glauca var. spathulata Dum.Cours. variety synonym Rhododendron dauricum var. pallidum Regel variety synonym Rhododendron campanulatum var. violaceum Verschaff. variety homotypic synonym Rhododendron indicum var. rollissonii (T.Moore) Millais variety synonym Rhododendron caucasicum var. nobile Van Geert variety synonym Rhododendron reticulatum f. albiflorum (Makino) Makino form synonym Rhododendron lindaueanum var. latifolium J.J.Sm. variety synonym Rhododendron makinoi f. plenum Sugim. form synonym Azalea indica var. floribunda Blume variety synonym Rhododendron hirsutum var. glabratum Asch. & Kuhn variety synonym Rhododendron campanulatum var. amabile Van Geert variety synonym Rhododendron obtusum var. amoenum (Lindl.) Rehder variety synonym Azalea crispiflora var. rosea J.Dix variety synonym Rhododendron ×stamfordianum Rollison species doubtful Azalea viscosa subsp. alba C.F.Ludw. subspecies synonym Azalea ×amoena subsp. alba (H.J.Veitch ex Mottet) Anon. subspecies synonym Rhododendron scabrum var. kaempferi (Planch.) Nakai variety synonym Rhododendron japonicum f. glaucophyllum (Nakai) H.Hara form synonym Rhododendron scabrum var. rawsonii (Loudon) Nakai variety synonym Azalea odorata var. odorata variety synonym Rhododendron obtusum f. honkirishima Komatsu form synonym Rhododendron campanulatum var. rubrum-grandiflorum Van Geert variety synonym Rhododendron concinnum var. laetevirens Cowan variety synonym Rhododendron mucronatum f. plenum (Sims) E.H.Wilson form synonym Rhododendron tschonoskii f. tetramerum Makino form heterotypic synonym Rhododendron ×broughtonianum subsp. aureum W.Watson subspecies synonym Azalea nudiflora var. thyrsiflora Gowen variety homotypic synonym Azalea indica subsp. vittata-punctata Van Houtte subspecies synonym Rhododendron ferrugineum var. variegatum Bean variety synonym Azalea ×mortieri (Sweet) W.H.Baxter & Wooster species synonym Rhododendron caucasicum var. roseum-maculatiflorum Van Geert variety synonym Rhododendron calendulaceum f. aurantiacum (F.Dietr.) Zabel form synonym Rhododendron luteum var. macranthum (Bean) E.H.Wilson variety synonym Azalea nudiflora subsp. sulfurea-speciosa Reider subspecies synonym Rhododendron sieboldii var. serrulatum Miq. variety synonym Rhododendron hirsutum var. microphyllum Briq. variety synonym Azalea indica var. plena Sims variety synonym Rhododendron germanicum var. intermedium (Tausch) Hoppe variety synonym Rhododendron hirsutum var. intermedium (Tausch) Brittinger variety synonym Azalea macrantha var. albiflora-souchetiana Lem. variety synonym Azalea indica var. bealei John Edwards variety synonym Azalea rosmarinifolia var. alba (Lindl.) Rehder variety synonym Azalea coccinea (Aiton) Bosse species synonym Rhododendron caucasicum var. album-mutabile Van Geert variety synonym Azalea calendulacea var. mortieri (Sweet) DC. variety synonym Rhododendron wadanum var. lagopus (Nakai) H.Hara variety synonym Rhododendron campylogynum var. charopoeum (Balf.fil. & Farrer) Davidian variety synonym Ledum palustre f. yesoense (Nakai) Makino & Tanaka form synonym Rhododendron indicum var. purpureum DC. variety synonym Rhododendron vittatum var. punctatum Planch. variety synonym Rhododendron kiusianum f. maedae Honda form synonym Rhododendron punctatum var. minus P.Watson variety synonym Rhododendron hirsutum f. laciniatum (Schröt.) Braun-Blanq. form synonym Rhododendron campanulatum var. superbum Van Geert variety synonym Rhododendron linearifolium f. decandrum E.H.Wilson form synonym Azalea nudiflora var. rubra C.F.Ludw. variety synonym Azalea indica var. versicolor Low variety synonym Rhododendron ×azaleoides subsp. odoratum André subspecies synonym Rhododendron molle var. glabrior Miq. variety synonym Rhododendron ×azaleoides subsp. inodorum André subspecies synonym Azalea indica var. kaempferi (Planch.) Rehder variety synonym Azalea obtusa subsp. alba H.J.Veitch ex Mottet subspecies synonym Rhododendron indicum var. lateritium (Lindl.) DC. variety synonym Rhododendron kaempferi var. amoenum (Lindl.) Rehder variety synonym Rhododendron campanulatum var. album-violaceum Van Geert variety synonym Azalea pulchra subsp. nudiflora Reider subspecies synonym Azalea indica var. lateritia Lindl. variety synonym Rhododendron makinoi f. leucanthum (Makino) Sugim. form synonym Rhododendron tschonoskii f. pentamerum Makino form synonym Rhododendron discolor Warb. ex Sarasin species heterotypic synonym Rhododendron caucasicum var. alboroseum Van Geert variety synonym Rhododendron indicum var. rosiflorum (Dean) Rehder variety synonym Rhododendron sinense var. flammeum Sweet variety synonym Rhododendron dilatatum var. viscistylum (Nakai) Hatus. variety synonym Azalea indica var. vittata (Fortune) Van Houtte variety synonym Azalea viscosa var. scabra Dum.Cours. variety synonym Azalea indica var. crispiflora (Hook.) Van Houtte variety synonym Rhododendron caucasicum var. triumphans Van Geert variety synonym Rhododendron speciosum var. aurantium (Lodd.) Sweet variety synonym Rhododendron saruwagedicum var. alpinum Sleumer variety synonym Rhododendron reticulatum f. ciliatum (Nakai) Sugim. form synonym Rhododendron maddenii var. calophyllum (Nutt.) C.B.Clarke variety synonym Rhododendron rosmarinifolium f. oriokiu Komatsu form synonym Rhododendron indicum subsp. obtusum-album Anon. subspecies synonym Azalea indica subsp. imperialis J.J.Veitch subspecies synonym Rhododendron thomsonii var. candelabrum (Hook.fil.) C.B.Clarke variety synonym Rhododendron ferrugineum f. plenum Rehder form synonym Azalea verticillata Lodd. ex Bosse species synonym Rhododendron caucasicum var. album-egregium Verschaff. variety homotypic synonym Azalea indica var. rosiflora (Dean) Rehder variety synonym Rhododendron ×rubescens J.J.Veitch species doubtful Rhododendron burmanni var. macrosepalum (Maxim.) Nakai variety synonym Rhododendron ×nobleanum var. pulcherrimum Millais variety synonym Rhododendron indicum var. crispiflorum (Hook.) C.K.Schneid. variety synonym Rhododendron minus var. margaretiae Peattie variety synonym Rhododendron ×amoenum var. japonicum (Maxim.) Bean variety synonym Rhododendron kotschyi f. album Rehder form synonym Azalea indica var. copii P.B.Mead variety synonym Rhododendron ×amphipyros Standish species homotypic synonym Rhododendron hirsutum f. nanum Bolzon form synonym Rhododendron ×anadyomene Standish ex J.Dix species doubtful Rhododendron burmanni f. linearifolium (Hook.fil.) Nakai form synonym Azalea mollis var. glabrior (Miq.) Regel variety synonym Rhododendron ×ciliatodauricum Carrière species synonym Rhododendron campylogynum var. leucanthum Ingram variety synonym Therorhodion camtschaticum f. albiflorum Nakai form synonym Rhododendron serpyllifolium var. albiflorum Makino variety synonym Rhododendron ferrugineum f. variegatum (Bean) Rehder form synonym Rhododendron ×phoeniceum f. smithii E.H.Wilson form synonym Rhododendron parvifolium f. albiflorum Herder ex Maxim. form synonym Rhododendron ×subdeciduum Sweet species accepted Azalea oldhamii (Maxim.) Mast. species synonym Rhododendron strigillosum var. monosematum (Hutch.) T.L.Ming variety synonym Rhododendron speciosum (Willd.) Sweet species heterotypic synonym Rhododendron ×norbitonense W.Sm. species homotypic synonym Rhododendron wilsonianum hort. species homotypic synonym Rhododendron tubulosum Ching species homotypic synonym Rhododendron catanduanense Merr. species synonym Rhododendron fleuryi Dop species homotypic synonym Rhododendron barbatum Wall. species homotypic synonym Rhododendron ×docimum Balf.fil. species homotypic synonym Rhododendron tenue Ching species homotypic synonym Rhododendron subestipitatum Chun species homotypic synonym Rhododendron macabeanum G.Watt species homotypic synonym Rhododendron simsii var. bellum (W.P.Fang & G.Z.Li) G.Z.Li variety synonym Rhododendron decumbens D.Don species homotypic synonym Rhododendron tubiflorum H.Low species homotypic synonym Azalea narcissiflora Fortune species homotypic synonym Rhododendron viscistylum var. amakusaense K.Takada variety homotypic synonym Azalea scabra Lodd. species homotypic synonym Rhododendron crenulatum Hutch. species homotypic synonym Rhododendron magorianum Balf.f. species homotypic synonym Rhododendron chrysodoron Tagg species homotypic synonym Rhododendron catacosmum Balf.fil. species homotypic synonym Rhododendron pseudoyanthinum Balf.fil. species homotypic synonym Rhododendron ochrocalyx Delavay species homotypic synonym Azalea multiflora Turcz. species homotypic synonym Rhododendron yungningense Balf.fil. species homotypic synonym Rhododendron parvifolium f. albiflorum Herder form homotypic synonym Rhododendron bilsianum hort. species homotypic synonym Rhododendron rhuyuenense Chun species homotypic synonym Azalea retusa Blume species homotypic synonym Rhododendron buxifolium H.Low species homotypic synonym Rhododendron ignicolor Warb. species homotypic synonym Azalea tubiflora Blume species homotypic synonym Azalea cumberlandensis (E.L.Braun) H.F.Copel. species synonym Azalea arborea Barton species homotypic synonym Azalea fulva Michx. species homotypic synonym Rhododendron williamsii Merr. species homotypic synonym Rhododendron tsinlingense W.P.Fang species homotypic synonym Rhododendron pleistanthum Balf.f. species homotypic synonym Rhododendron degronianum var. heptamerum (Maxim.) Sealy variety homotypic synonym Rhododendron eriandrum H.Lév. species homotypic synonym Rhododendron qinghaiense Ching species homotypic synonym Rhododendron shimidzuanum Honda species homotypic synonym Rhododendron surugaense Sugim. species homotypic synonym Rhododendron valentinianum Forrest species homotypic synonym Rhododendron rugosum H.Low species homotypic synonym Rhododendron ×erythrocalyx subsp. docimum Balf.fil. subspecies homotypic synonym Rhododendron ×seymourii Herb. species homotypic synonym Rhododendron chaffanjonii H.Lév. species homotypic synonym Rhododendron stenophyllum Hook.fil. species homotypic synonym Rhododendron cheiranthifolium hort. species homotypic synonym Rhododendron ovatum (Lindl.) Planch. species homotypic synonym Rhododendron brachycarpum D.Don species homotypic synonym Rhododendron brachyantherum Warb. species homotypic synonym Rhododendron cantabile Balf.fil. species homotypic synonym Rhododendron sanctum var. lasiogynum Nakai variety homotypic synonym Rhododendron ×welleslyanum Waterer species homotypic synonym Azalea javanica Blume species homotypic synonym Rhododendron fortunei T.Moore species homotypic synonym Rhododendron reticulatum D.Don species homotypic synonym Rhododendron hamondi hort. species homotypic synonym Rhododendron gymnocarpum Balf.fil. species homotypic synonym Rhododendron pocophorum Balf.fil. species homotypic synonym Rhododendron kalmiifolium hort. species homotypic synonym Rhododendron warrenii (A.Nelson) J.F.Macbr. species synonym Rhododendron chevalieri Dop species homotypic synonym Rhododendron ×albicans Waterer species homotypic synonym Rhododendron cuffeanum Craib species homotypic synonym Ledum decumbens (Aiton) Lodd. species homotypic synonym Rhododendron wilsonii Hemsl. & E.H.Wilson species synonym Rhododendron cephalanthum var. platyphyllum Franch. variety homotypic synonym Rhododendron hunanense Chun species homotypic synonym Rhododendron ericoides H.Low species homotypic synonym Ledum palustre subsp. groenlandicum (Oeder) Hultén subspecies synonym Rhododendron ×kisoanum Okuhara species homotypic synonym Rhododendron stapfianum Hemsl. species homotypic synonym Rhododendron japonicum var. glaucophyllum H.Hara variety homotypic synonym Rhododendron ×fragrantissimum Burb. species homotypic synonym Rhododendron dahuricum L. species homotypic synonym Azalea morteri Sweet species homotypic synonym Rhododendron subespitatum Chun species homotypic synonym Azalea celebica Blume species homotypic synonym Rhododendron nuttallii Booth species homotypic synonym Rhododendron trinerve Franch. species homotypic synonym Azalea indica var. simsii (Maxim.) L.H.Bailey variety synonym Rhododendron splendens hort. species homotypic synonym Rhododendron superbum hort. species homotypic synonym Rhododendron galactinum Balf.fil. species homotypic synonym Rhododendron xiaoxueshanense R.L.Liao & Y.P.Ma species accepted Rhododendron simulans J.J.Sm. species homotypic synonym Rhododendron ×tatuoi Nakai species homotypic synonym Rhododendron viscosum Fisch. species homotypic synonym Rhododendron subulosum J.J.Sm. species homotypic synonym Rhododendron johnstoneanum G.Watt species homotypic synonym Rhododendron myrsinifolium Ching species homotypic synonym Rhododendron mutabile Webb species homotypic synonym Rhododendron brachycarpum Zucc. species homotypic synonym Rhododendron flaviflorum Elmer species homotypic synonym Rhododendron propinquum Balf.fil. & Kingdon-Ward species homotypic synonym Rhododendron maximum var. leachii B.E.Harkn. variety homotypic synonym Rhododendron daphnoides hort. species homotypic synonym Rhododendron verticillatum H.Low species homotypic synonym Azalea alba (Blume) Blume species homotypic synonym Rhododendron chrysodorum W.W.Sm. species homotypic synonym Rhododendron wellesleyanum Waterer species homotypic synonym Rhododendron vellereum Hutch. species homotypic synonym Rhododendron dentampullum Chun species homotypic synonym Rhododendron torkonianum hort. species homotypic synonym Rhododendron purpureum (Pursh) Buch.-Ham. species homotypic synonym Rhododendron obscurum Franch. species homotypic synonym Rhododendron lingii Chun species homotypic synonym Rhododendron glischroides var. arachnoideum Tagg & Forrest variety synonym Rhododendron carolinianum var. foliatum Rehder variety synonym Rhododendron obtusum f. japonicum (Maxim.) E.H.Wilson form synonym Rhododendron nemorosum R.C.Fang species synonym Rhododendron lindaueanum var. psilacrum Sleumer variety synonym Rhododendron malayanum f. latifolium Sleumer form synonym Rhododendron ngawchangense M.N.Philipson & Philipson species accepted Rhododendron cravenii Danet species accepted Rhododendron ×sanderi E.H.Wilson & Rehder species accepted Rhododendron kanehirai Wilson species accepted Menziesia ciliicalyx var. multiflora (Maxim.) Makino variety synonym Rhododendron lowii Hook.fil. species accepted Rhododendron baileyi Balf.fil. species accepted Rhododendron heptamerum Balf.fil. species synonym Ledum glandulosum subsp. columbianum (Piper) C.L.Hitchc. subspecies synonym Rhododendron degronianum var. yakushimanum (Nakai) Kitam. variety synonym Rhododendron degronianum subsp. heptamerum (Maxim.) H.Hara subspecies synonym Rhododendron reticulatum var. parvifolium T.Yamaz. variety synonym Rhododendron reticulatum var. bifolium T.Yamaz. variety synonym Rhododendron canescens f. subglabrum Rehder form synonym Rhododendron calostrotum subsp. riparioides Cullen subspecies synonym Rhododendron pseudochrysanthum f. rufovelutinum T.Yamaz. form synonym Rhododendron calendulaceum var. croceum (Michx.) Sweet variety synonym Rhododendron periclymenoides f. eglandulosum F.Seym. form synonym Rhododendron atlanticum f. luteoalbum (Coker) Fernald form synonym Rhododendron nudiflorum f. glandiferum (Porter) Fernald form synonym Rhododendron albiflorum var. albiflorum variety synonym Rhododendron maximum f. purpureum (Pursh) Fernald form synonym Rhododendron maximum var. album Pursh variety synonym Rhododendron lapponicum subsp. alpinum (Glehn) A.P.Khokhr. subspecies synonym Azaleastrum albiflorum (Hook.) Rydb. species synonym Rhododendron viscosum f. nitidum (Pursh) Voss form synonym Rhododendron viscosum var. hispidum (Pursh) C.K.Schneid. variety synonym Rhododendron viscosum f. glaucum (Lam.) Voss form synonym Rhododendron virgatum subsp. oleifolium (Franch.) Cullen subspecies synonym Azalea nudiflora f. glandifera Porter form synonym Azalea nudiflora var. alba Aiton variety heterotypic synonym Ledum palustre var. groenlandicum (Oeder) Rosenv. variety synonym Ledum palustre subsp. decumbens (Aiton) Hultén subspecies synonym Ledum palustre var. decumbens Aiton variety synonym Rhododendron ×gandavense f. plenum (Rehder) Rehder form synonym Rhododendron tomentosum (Stokes) Harmaja species accepted Rhododendron camtschaticum subsp. glandulosum (Standl. ex Small) Hultén subspecies synonym Rhododendron lapponicum var. parvifolium (Adams) Herder variety synonym Ledum palustre var. diversipilosum Nakai variety synonym Rhododendron tomentosum var. subarcticum (Harmaja) G.D.Wallace variety synonym Rhododendron campanulatum var. wallichii (Hook.fil.) Hook. variety synonym Rhododendron metternichii var. yakushimanum (Nakai) Ohwi variety synonym Rhododendron metternichii subsp. yakushimanum (Nakai) Sugim. subspecies synonym Rhododendron japanoheptamerum Kitam. species synonym Rhododendron metternichii var. pentamerum Maxim. variety synonym Rhododendron metternichii subsp. pentamerum (Maxim.) Sugim. subspecies synonym Rhododendron yakushimanum subsp. makinoi (Tagg ex Nakai) D.F.Chamb. subspecies synonym Rhododendron eclecteum var. brachyandrum (Balf.fil. & Forrest) Cowan & Davidian variety synonym Rhododendron pilosum (Michx. ex Lam.) Craven species accepted Rhododendron benhallii Craven species accepted Rhododendron kroniae Craven species accepted Rhododendron multiflorum f. bicolor (Makino) Craven form synonym Menziesia ciliicalyx var. bicolor Makino variety synonym Menziesia ciliicalyx var. purpurea Makino variety synonym Menziesia multiflora var. purpurea (Makino) Ohwi variety synonym Rhododendron pentandrum (Maxim.) Craven species accepted Rhododendron chamberlainii Craven species accepted Rhododendron ×loderi Millais species synonym Ledum palustre var. subulatum Nakai variety synonym Rhododendron mucronulatum var. ciliatum Nakai variety synonym Ledum palustre var. yesoense Nakai variety synonym Ledum palustre var. dilatatum Wahlenb. variety synonym Rhododendron dauricum var. mucronulatum (Turcz.) Maxim. variety synonym Ledum palustre var. nipponicum Nakai variety synonym Rhododendron rugosum var. coriifolium (Sleumer) Sleumer variety synonym Rhododendron buxifolium var. robustum Sleumer variety synonym Rhododendron hybr species accepted Rhododendron ×viscosepalum var. daviesii (R.D.) Rehder variety synonym Rhododendron ×pulchrum var. tebotan (Komatsu) Rehder variety synonym Rhododendron kaempferi f. album Nakai form synonym Rhododendron indicum var. eriocarpum Hayata variety synonym Rhododendron indicum var. phoeniceum Sweet variety synonym Azalea indica var. calycina Lindl. variety synonym Rhododendron ×pulchrum var. calycinum (Lindl.) Rehder variety synonym Rhododendron ×pulchrum var. maxwellii Rehder variety synonym Rhododendron phoeniceum var. calycinum (Lindl.) E.H.Wilson variety synonym Rhododendron ×pulchrum var. phoeniceum (Sweet) Rehder variety synonym Rhododendron obtusum f. amoenum (Lindl.) E.H.Wilson form synonym Rhododendron indicum f. japonicum Maxim. form synonym Rhododendron dauricum var. sempervirens Sims variety synonym Rhododendron linearifolium var. macrosepalum (Maxim.) Makino variety synonym Rhododendron camtschaticum subsp. glandulosum (Standl. ex Small) B.Boivin subspecies synonym Rhododendron xizangense W.P.Fang & W.K.Hu species synonym Rhododendron lacteum Franch. species accepted Rhododendron wilsoniae Hemsl. & E.H.Wilson species synonym Rhododendron glaucophyllum var. tubiforme Cowan & Davidian variety synonym Rhododendron sophistarum Craven species accepted Rhododendron glaucum G.Don species heterotypic synonym Rhododendron fulvastrum subsp. trichophlebium (Balf.fil. & Forrest) Cowan subspecies synonym Rhododendron eudoxum subsp. eudoxum subspecies synonym Rhododendron scottianum Hutch. species synonym Rhododendron cephalanthum var. platyphyllum Franch. ex Diels variety synonym Rhododendron makinoi Tagg ex Nakai species accepted Rhododendron alticolum Sleumer species accepted Rhododendron eriphyllum Balf.fil. & W.W.Sm. species synonym Rhododendron citriniflorum subsp. citriniflorum subspecies synonym Rhododendron campylogynum var. celsum Davidian variety synonym Rhododendron parvifolium var. alpinum (Glehn) N.Busch variety synonym Rhododendron weyrichii var. amagianum (Makino ex H.Hara) Hatus. variety synonym Rhododendron glaucum Hook.fil. species heterotypic synonym Rhododendron furbishii (W.P.Lemmon & Mc Kay) Hume species synonym Rhododendron dilatatum f. leucanthum Hatus. form heterotypic synonym Rhododendron xiangganense X.F.Jin & B.Y.Ding species accepted Rhododendron ungernii Trautv. ex Regel species doubtful Rhododendron amagianum Makino species doubtful Rhododendron eritimum subsp. chawchiense (Balf.fil. & Farrer) Tagg subspecies synonym Rhododendron championiae var. ovatifolium P.C.Tam variety synonym Rhododendron maoerense D.Fang & Q.Z.Li species accepted Rhododendron pseudoyanthinum Balf.fil. ex Hutch. species synonym Rhododendron brachysiphon Balf.fil. species synonym Rhododendron laojunshanense M.Y.Fang species accepted Menziesia multiflora f. brevicalyx Hiyama form synonym Rhododendron fragrans DC. species synonym Azalea retusa Blume ex Steud. species synonym Rhododendron elliottii G.Watt ex Lace & W.W.Sm. species accepted Rhododendron rufescens P.C.Tam species heterotypic synonym Ledum palustre var. longifolium Freyn variety synonym Rhododendron luteiflorum Davidian species accepted Rhododendron dauricum var. roseum DC. variety synonym Rhododendron metternichii f. albiflorum Takeda form synonym Rhododendron rufum subsp. pachysanthum (Hayata) S.S.Ying subspecies synonym Rhaphis echinulatus Nees ex Royle species synonym Rhododendron atrovirens (Ker Gawl.) Tagg species heterotypic synonym Rhododendron smirnowii Trautv. ex Regel species doubtful Rhododendron stenophyllum Makino species heterotypic synonym Rhododendron dilatatum var. glaucum Hatus. variety synonym Rhododendron torquatum L.C.Hu species heterotypic synonym Rhododendron viscosum f. glaucum (Aiton) Fernald form synonym Rhododendron cantabile Balf.fil. ex Hutch. species synonym Rhododendron formosum Wall. species accepted Rhododendron seranicum subsp. sparsihirtum Argent subspecies synonym Azalea lucida (Nutt.) Meerb. species heterotypic synonym Azalea indica var. simsii (Planch.) Rehder variety synonym Rhododendron zekoense Y.D.Sun & Z.J.Zhao species accepted Rhododendron huangpingense Xiang Chen & Jia Y.Huang species accepted Rhododendron reginaldii Balf.fil. & Forrest species synonym Rhododendron stewartianum var. tantulum Cowan & Davidian variety synonym Rhododendron balsaminiflorum Carriere species synonym Rhododendron scopulum (G.Z.Li) G.Z.Li species accepted Rhododendron lepidotum var. eleagnoides Franch. variety synonym Rhododendron eudoxum subsp. pothinum (Balf.fil. & Forrest) Tagg subspecies synonym Rhododendron concinnum var. pseudoyanthinum (Balf.fil. ex Hutch.) Davidian variety synonym Rhododendron arenicolum Sleumer species accepted Rhododendron lilacinum Xiang Chen & X.Chen species accepted Rhododendron keysii var. unicolor Hutch. variety synonym Azalea vittatopunctata Lem. species synonym Rhododendron bellum W.P.Fang & G.Z.Li species heterotypic synonym Rhododendron shojoensis Hayata species synonym Rhododendron lohitense D.Bhattach. species synonym Rhododendron vialii Delavay & Franch. ex Franch. species accepted Azalea camelliiflora (Hook.fil.) Kuntze species synonym Rhododendron ×erythrocalyx subsp. beimaense (Balf. & Forrest ex Balf.fil.) Tagg subspecies synonym Rhododendron micranthum Maxim. species heterotypic synonym Rhododendron jinboense Xiang Chen & X.Chen species accepted Rhododendron kawakamii var. flaviflorum Tang S.Liu & T.I.Chuang variety synonym Rhododendron campylogynum var. myrtilloides (Balf.fil. & Kingdon-Ward) Davidian variety synonym Rhododendron lukiangense subsp. ceraceum (Balf.fil. & W.W.Sm.) Tagg subspecies synonym Rhododendron magnificum Kingdon-Ward species accepted Menziesia globularis Hook. species heterotypic synonym Rhododendron fortunei var. houlstonii (Hemsl. & E.H.Wilson) Rehder & E.H.Wilson variety synonym Rhododendron indicum var. formosanum Hayata variety synonym Rhododendron metternichii var. heptamerum Maxim. variety synonym Azalea liliiflora Poit. species synonym Azalea stenopetala R.Hogg species synonym Rhododendron maximum Hook. species synonym Rhododendron albertsenianum Forrest species doubtful Rhododendron bicolor P.C.Tam species heterotypic synonym Rhododendron anthopogon D.Don species accepted Anthocoma aromatica K.Koch species synonym Rhododendron flavum (Hoffmanns.) G.Don species synonym Rhododendron cuneifolium var. subspathulatum Ridl. variety synonym Rhododendron ellipticum Hoffmanns. species doubtful Rhododendron ×salmoneum Voss species accepted Rhododendron cavaleriei var. chaffanjonii H.Lév. variety synonym Rhododendron huanum W.P.Fang species accepted Rhododendron luteum C.K.Schneid. species heterotypic synonym Rhododendron torajaense Craven species accepted Rhododendron sinogrande var. boreale Tagg & Forrest variety synonym Rhododendron yunyianum X.F.Jin & B.Y.Ding species accepted Ledum palustre var. yezoense Nakai variety synonym Rhododendron biappendiculatum Craven species accepted Rhododendron wilsoniae var. ionanthum W.P.Fang variety synonym Rhododendron atrichum Argent species accepted Rhododendron viscistylum var. glaucum (Hatus.) Sugim. variety synonym Rhododendron pentaphyllum var. villosum Koidz. variety synonym Rhododendron dauricum var. albiflorum Turcz. variety synonym Rhododendron ripicola P.C.Tam species synonym Rhododendron ×chlorops Stair species accepted Rhododendron aureodorsale (W.P.Fang ex J.Q.Fu) Y.P.Ma & J.Nielsen species accepted Rhododendron mariae subsp. flumineum (W.P.Fang & M.Y.He) X.F.Jin & B.Y.Ding subspecies synonym Rhododendron ×rarilepidotum var. ootrichum Sleumer variety synonym Rhododendron ×kamatae (Mochizuki) Craven species accepted Rhododendron batemanii Hook.fil. species synonym Ledum palustre var. angustum E.A.Busch variety synonym Rhododendron ×erythrocalyx subsp. eucallum (Balf.fil. & Forrest) Tagg subspecies synonym Ledum palustre f. diversiplosum (Nakai) Makino & Tanaka form synonym Rhododendron motsouense H.Lév. species synonym Rhododendron prunifolium J.Forbes species doubtful Rhododendron tschonoskii f. tetramerum (Makino) Komatsu form heterotypic synonym Rhododendron javanicum var. tubiflorum Hook. variety synonym Rhododendron pumilum Hook.fil. species accepted Rhododendron multiflorum f. brevicalyx (Hiyama) Craven form synonym Rhododendron sinofalconeri Balf.fil. species accepted Rhododendron kwangsiense Hu species accepted Rhododendron viscistylum var. amakusaense K.Takada ex T.Yamaz. variety synonym Rhododendron riparium Wang & P.C.Tam species heterotypic synonym Rhododendron yedoense Maxim. species doubtful Rhododendron virgatum var. glabriflorum K.M.Feng ex R.C.Fang variety synonym Rhododendron linearifolium Siebold & Zucc. species synonym Rhododendron boninense Nakai species accepted Rhododendron macgregoriae var. mayrii (J.J.Sm.) Sleumer variety synonym Rhododendron canadense (L.) Britton, Sterns & Poggenb. species synonym Rhododendron ×intermedium Wender. species doubtful Rhododendron ×erythrocalyx subsp. truncatulum (Balf.fil. & Forrest) Tagg subspecies synonym Therorhodion glandulosum Standl. species homotypic synonym Rhododendron lukiangense subsp. gymnanthum (Diels) Tagg subspecies synonym Rhododendron cyanocarpum var. eriphyllum (Balf.fil. & W.W.Sm.) Tagg variety synonym Rhododendron galactinum Balf.fil. ex Tagg species accepted Rhododendron ferrugineum subsp. kotschyi (Simonk.) Hayek subspecies synonym Rhododendron anthosphaerum subsp. hylothreptum (Balf.fil. & W.W.Sm.) Tagg subspecies synonym Rhododendron reticulatum var. glabrescens Nakai & H.Hara variety synonym Rhododendron fulvastrum subsp. trichomiscum (Balf.fil. & Forrest) Cowan subspecies synonym Rhododendron mucronulatum var. albiflorum Nakai variety synonym Rhododendron campanulatum var. aeruginosum (Hook.fil.) Cowan & Davidian variety synonym Rhododendron mechukae A.A.Mao & A.Paul species accepted Rhododendron hangnoense Nakai species synonym Rhododendron rubropunctatum H.Lév. & Vaniot species synonym Rhododendron tsangpoense var. pruniflorum (Hutch. & Kingdon-Ward) Cowan & Davidian variety synonym Rhododendron cerasianum Tagg species synonym Therorhodion camtschaticum var. barbatum Nakai variety synonym Rhododendron tschonoskii var. trinerve (Franch. ex H.Boissieu) Makino variety synonym Azalea californica (Hook.) Torr. & A.Gray species homotypic synonym Rhododendron glaucophyllum var. luteiflorum Davidian variety synonym Rhododendron culminicola var. nubicola (Wernham) Sleumer variety synonym Rhododendron indicum var. macranthum (Bunge) Maxim. variety synonym Rhododendron brentelii Argent species accepted Rhododendron japonicum f. aureum E.H.Wilson form synonym Rhododendron detznerianum Sleumer species accepted Rhododendron culminicola var. angiense (J.J.Sm.) Sleumer variety synonym Rhododendron indicum var. obtusum (Lindl.) Maxim. variety synonym Rhododendron mucronatum f. amethystinum E.H.Wilson form synonym Rhododendron ×bakeri (Lemmon & Mc Kay) Hume species accepted Rhododendron washingtonianum hort. ex Rehder species synonym Rhododendron ×forsterianum hort. species homotypic synonym Ledum groenlandicum Gunnarsson species synonym Rhododendron stanleyi S.A.James & Argent species accepted Rhododendron longipedicellatum Lei Cai & Y.P.Ma species accepted Rhododendron praecox Carrière species doubtful Rhododendron ×azaleoides Desf. ex Dum.Cours species accepted Rhododendron feddei H.Lév. species accepted Rhododendron sajanensis Stepanov species accepted Rhododendron kongboense Kingdon-Ward species homotypic synonym Rhododendron ×forsterianum hort. ex Rehder species accepted Rhododendron maximum f. apetalum V.V.Byalt & Firsov form synonym Rhododendron ferrugineum subsp. ferrugineum subspecies synonym Rhododendron wilsonii Hort species homotypic synonym Rhododendron camtschaticum subsp. camtschaticum subspecies synonym Rhododendron lapponicum var. lapponicum variety synonym Rhododendron occidentale var. occidentale variety synonym Azalea glauca (Aiton) Lam. species heterotypic synonym Rhododendron schlippenbachii Maxim. species accepted Rhododendron punctatum Andrews species synonym Rhododendron brachycarpum D.Don ex G.Don species accepted Therorhodion camtschaticum (Pall.) Small species synonym Rhododendron molle (Blume) G.Don species accepted Rhododendron luteum Sweet species accepted Rhododendron konori Becc. species accepted Rhododendron kiusianum Makino species accepted Rhododendron kaempferi Planch. species accepted Rhododendron uniflorum Hutch. & Kingdon-Ward species accepted Azalea periclymenoides Michx. species synonym Azalea calendulaceum var. crocea Michx. variety synonym Azalea cumberlandense (E.L.Braun) H.F.Copel. species synonym Rhododendron floccigerum Franch. species accepted Rhododendron temenium Balf.fil. & Forrest species accepted Rhododendron tatsienense Franch. species accepted Rhododendron tashiroi Maxim. species accepted Rhododendron fictolacteum Balf.fil. species accepted Rhododendron tanastylum Balf.fil. & Kingdon-Ward species accepted Rhododendron falconeri Hook.fil. species accepted Rhododendron faberi Hemsl. species accepted Rhododendron faberi subsp. faberi subspecies synonym Rhododendron superbum Sleumer species accepted Rhododendron eudoxum Balf.fil. & Forrest species accepted Rhododendron subenerve P.C.Tam species accepted Rhododendron ×epilosum (J.J.Sm.) Argent species accepted Rhododendron suaveolens Sleumer species accepted Rhododendron strigillosum Franch. species accepted Rhododendron emarginatum Hemsl. & E.H.Wilson species accepted Rhododendron ellipticum Maxim. species synonym Rhododendron stenophyllum Hook.fil. ex Becc. species accepted Rhododendron edanoi Merr. & Quisumb. species accepted Rhododendron stamineum Franch. species accepted Rhododendron durionifolium Becc. species accepted Rhododendron spinuliferum Franch. species accepted Rhododendron spiciferum Franch. species accepted Rhododendron spiciferum var. spiciferum variety synonym Rhododendron sphaeroblastum Balf.fil. & Forrest species accepted Rhododendron disterigmoides Sleumer species accepted Rhododendron dilatatum Miq. species accepted Rhododendron dichroanthum Diels species accepted Rhododendron ×smithii Sweet species accepted Rhododendron sinense (G.Lodd.) Sweet species synonym Rhododendron simsii Planch. species accepted Rhododendron simsii var. simsii variety synonym Rhododendron simiarum Hance species accepted Rhododendron simiarum var. simiarum variety synonym Rhododendron delavayi Franch. species accepted Rhododendron degronianum Carrière species accepted Rhododendron sikangense W.P.Fang species accepted Rhododendron decorum Franch. species accepted Rhododendron dauricum L. species accepted Rhododendron serpyllifolium (A.Gray) Miq. species accepted Rhododendron dalhousieae Hook.f. species accepted Rhododendron seniavinii Maxim. species accepted Rhododendron dachengense G.Z.Li species accepted Rhododendron dachengense var. dachengense variety synonym Rhododendron selense Franch. species accepted Rhododendron cuneifolium Stapf species accepted Hymenanthes macrophylla (D.Don ex G.Don) H.F.Copel. species synonym Rhododendron ×crouxii (Anon.) Rehder species synonym Rhododendron scabrum G.Don species accepted Rhododendron scabrifolium Franch. species accepted Rhododendron crassifolium Stapf species accepted Rhododendron sanguineum Franch. species accepted Rhododendron sanctum Nakai species accepted Rhododendron saluenense Franch. species accepted Rhododendron saluenense subsp. saluenense subspecies synonym Rhododendron rupicola W.W.Sm. species accepted Rhododendron rugosum H.Low ex Hook.fil. species accepted Rhododendron rufum Batalin species accepted Rhododendron rubropilosum Hayata species accepted Rhododendron clementinae Forrest ex W.W.Sm. species doubtful Rhododendron clementinae subsp. clementinae subspecies synonym Rhododendron citriniflorum Balf.fil. & Forrest species accepted Rhododendron cinnabarinum Hook.fil. species accepted Rhododendron rubiginosum Franch. species accepted Rhododendron cinnabarinum var. cinnabarinum variety synonym Rhododendron roxieanum Forrest ex W.W.Sm. species doubtful Rhododendron ciliicalyx Franch. species accepted Rhododendron ciliicalyx subsp. ciliicalyx subspecies synonym Rhododendron chrysocalyx H.Lév. & Vaniot species accepted Rhododendron ririei Hemsl. & E.H.Wilson species accepted Rhododendron charitopes Balf.fil. & Farrer species accepted Rhododendron rhodora J.F.Gmel. species synonym Rhododendron championae Hook., 1851 species synonym Rhododendron rex H.Lév. species accepted Rhododendron chamaethomsonii (Tagg & Forrest) Cowan & Davidian species accepted Rhododendron retusum (Blume) Benn. species accepted Rhododendron reticulatum D.Don ex G.Don species accepted Rhododendron cephalanthum Franch. species accepted Rhododendron catawbiense f. catawbiense form synonym Rhododendron radians J.J.Sm. species accepted Rhododendron quinquefolium Bisset & S.Moore species accepted Rhododendron quadrasianum S.Vidal species accepted Rhododendron purdomii Rehder & E.H.Wilson species accepted Rhododendron canadense f. canadense form synonym Rhododendron campylocarpum Hook.fil. species accepted Rhododendron campanulatum D.Don species accepted Rhododendron campanulatum subsp. campanulatum subspecies synonym Rhododendron calvescens Balf.fil. & Forrest species accepted Rhododendron calostrotum Balf.fil. & Kingdon-Ward species accepted Rhododendron calostrotum var. calostrotum variety synonym Rhododendron pseudochrysanthum Hayata species accepted Rhododendron calophytum Franch. species accepted Rhododendron pseudochrysanthum subsp. pseudochrysanthum subspecies homotypic synonym Rhododendron przewalskii Maxim. species accepted Rhododendron callimorphum Balf.fil. & W.W.Sm. species accepted Rhododendron protistum Balf.fil. & Forrest species accepted Rhododendron calendulaceum f. calendulaceum form synonym Rhododendron principis Bureau & Franch. species accepted Rhododendron praeteritum Hutch. species accepted Rhododendron ponticum L. species accepted Rhododendron pocophorum Balf.fil. ex Tagg species accepted Rhododendron brachyanthum Franch. species accepted Rhododendron borneense (J.J.Sm.) Argent, A.Lamb & Phillipps species accepted Rhododendron phaeochrysum Balf.fil. & W.W.Sm. species accepted Rhododendron barbatum Wall. ex G.Don species accepted Rhododendron pentaphyllum Maxim. species accepted Rhododendron aurigeranum Sleumer species accepted Rhododendron parvifolium Adams species accepted Rhododendron aureum Franch. species heterotypic synonym Rhododendron augustinii Hemsl. species accepted Rhododendron atlanticum f. atlanticum form synonym Rhododendron pachytrichum Franch. species accepted Rhododendron asterochnoum Diels species accepted Rhododendron ovatum (Lindl.) Planch. ex Maxim. species accepted Rhododendron ovatum var. ovatum variety synonym Rhododendron orthocladum Balf.fil. & Forrest species accepted Rhododendron argyrophyllum Franch. species accepted Rhododendron oreodoxa Franch. species accepted Rhododendron orbiculare Decne. species accepted Rhododendron arboreum Sm. species accepted Rhododendron arboreum var. arboreum variety synonym Rhododendron araiophyllum Balf.fil. & W.W.Sm. species accepted Rhododendron apricum P.C.Tam species synonym Rhododendron obtusum (Lindl.) Planch. species heterotypic synonym Rhododendron anthosphaerum Diels species accepted Rhododendron anthopogonoides Maxim. species accepted Rhododendron anthopogon Wall. species heterotypic synonym Rhododendron annae Franch. species accepted Rhododendron nudipes Nakai species accepted Rhododendron alutaceum Balf.fil. & W.W.Sm. species accepted Rhododendron nudiflorum f. nudiflorum form synonym Rhododendron albrechtii Maxim. species accepted Rhododendron ×norbitonense W.Sm. ex André species accepted Rhododendron nivale Hook.fil. species accepted Rhododendron nitidulum Rehder & E.H.Wilson species accepted Rhododendron ×agastum Balf.fil. & W.W.Sm. species accepted Rhododendron agastum var. agastum variety synonym Rhododendron aganniphum Balf.fil. & Kingdon-Ward species accepted Rhododendron ×niko-montanum (Komatsu) Nakai species accepted Rhododendron neriiflorum Franch. species accepted Rhododendron neriiflorum var. neriiflorum variety synonym Menziesia multiflora Maxim. species synonym Rhododendron naamkwanense Merr. species accepted Menziesia katsumatae M.Tash. & H.Hatta species synonym Rhododendron mucronulatum Turcz. species accepted Menziesia ferruginea var. ferruginea variety synonym Rhododendron moulmainense Hook.fil. species accepted Rhododendron morii Hayata species accepted Rhododendron molle subsp. molle subspecies synonym Rhododendron mitriforme P.C.Tam species accepted Rhododendron mimetes Tagg & Forrest species accepted Rhododendron microphyton Franch. species accepted Rhododendron metternichii Siebold & Zucc. species synonym Rhododendron meridionale P.C.Tam species accepted Rhododendron mekongense Franch. species accepted Rhododendron medoense W.P.Fang & M.Y.He species accepted Rhododendron mayebarae Nakai & H.Hara species accepted Rhododendron maximum f. maximum form synonym Rhododendron mariae Hance species accepted Rhododendron mariae subsp. mariae subspecies synonym Rhododendron maddenii Hook.fil. species accepted Rhododendron maddenii subsp. maddenii subspecies synonym Rhododendron maculiferum Franch. species accepted Rhododendron maculiferum subsp. maculiferum subspecies synonym Rhododendron lutescens Franch. species accepted Rhododendron luraluense Sleumer species accepted Rhododendron loranthiflorum Sleumer species accepted Rhododendron longistylum Rehder & E.H.Wilson species accepted Rhododendron longipes Rehder & E.H.Wilson species accepted Rhododendron longiflorum Lindl. species accepted Rhododendron longesquamatum C.K.Schneid. species accepted Rhododendron leptanthum Hayata species heterotypic synonym Rhododendron lepidotum Wall. species accepted Rhododendron latoucheae Franch. species accepted Rhododendron lanigerum Tagg species accepted Rhododendron lamrialianum Argent & T.J.Barkman species accepted Rhododendron lamprophyllum Hayata species synonym Rhododendron lagopus Nakai species accepted Rhododendron kwangsiense Hu ex W.P.Fang species synonym Rhododendron kwangsiense var. kwangsiense variety synonym Rhododendron kesangiae D.G.Long & Rushforth species accepted Rhododendron keiskei Miq. species accepted Rhododendron kamtschaticum species synonym Rhododendron javanicum (Blume) Benn. species accepted Rhododendron jasminiflorum Hook. species accepted Rhododendron japonoheptamerum Kitam. species accepted Rhododendron irroratum Franch. species accepted Rhododendron ziyuanense P.C.Tam species accepted Rhododendron ziyuanense var. ziyuanense variety synonym Rhododendron zaleucum Balf.fil. & W.W.Sm. species accepted Rhododendron insigne Hemsl. & E.H.Wilson species accepted Rhododendron yedoense Maxim. ex Regel species accepted Rhododendron yakusimanum Nakai species accepted Rhododendron hunnewellianum Rehder & E.H.Wilson species accepted Rhododendron hunanense Chun ex P.C.Tam species accepted Rhododendron weyrichii Maxim. species accepted Rhododendron wasonii Hemsl. & E.H.Wilson species accepted Rhododendron wardii W.W.Sm. species accepted Rhododendron hippophaeoides Balf.fil. & W.W.Sm. species accepted Rhododendron henryi Hance species accepted Rhododendron henanense W.P.Fang species accepted Rhododendron heliolepis Franch. species accepted Rhododendron viscistylum Nakai species accepted Rhododendron virgatum Hook.fil. species accepted Rhododendron hancockii Hemsl. species accepted Rhododendron vidalii Rolfe species accepted Rhododendron haematodes Franch. species accepted Rhododendron valentinianum Forrest ex Hutch. species accepted Rhododendron glischrum Balf.fil. & W.W.Sm. species accepted Rhododendron tutcherae Hemsl. & E.H.Wilson species accepted Rhododendron glaucophyllum Rehder species accepted Rhododendron tsurugisanense (Yamaz.) T.Yamaz. species accepted Rhododendron tschonoskii Maxim. species accepted Rhododendron tsariense Cowan species accepted Ledum palustre var. palustre variety synonym Rhododendron triflorum Hook.fil. species accepted Rhododendron ×gandavense (K.Koch) Rehder species accepted Rhododendron trichocladum Franch. species accepted Rhododendron fulvum Balf.fil. & W.W.Sm. species accepted Ledum latifolium Jacq. species synonym Rhododendron tosaense Makino species accepted Rhododendron fortunei T.Moore ex Lindl. species accepted Ledum glandulosum var. glandulosum variety synonym Rhododendron forrestii Balf.fil. species homotypic synonym Rhododendron formosum Kingdon-Ward species synonym Rhododendron thomsonii Hook.fil. species accepted Rhododendron dalhousiae Hook.fil. species accepted Rhododendron menziesii Craven species accepted Rhododendron multiflorum (Maxim.) Craven species accepted Azalea glauca (Hook.fil.) Kuntze species synonym Rhododendron adendobracteatum X.F.Gao & Y.L.Peng species accepted Rhododendron seinghkuense Kingdon-Ward ex Hutch. species doubtful Rhododendron tuhanense Argent & T.J.Barkman species accepted Rhododendron carringtoniae var. maius J.J.Sm. variety synonym Rhododendron pseudonitens Sleumer species synonym Rhododendron calostrotum subsp. riparium (Kingdon-Ward) Cullen subspecies synonym Rhododendron calostrotum var. riparioides (Cullen) R.C.Fang variety synonym Rhododendron pseudociliipes Cullen species accepted Rhododendron pseudociliicalyx Hutch. species synonym Rhododendron calostrotum subsp. keleticum (Balf.fil. & Forrest) Cullen subspecies synonym Rhododendron pseudochrysanthum var. taitunense T.Yamaz. variety synonym Rhododendron pseudochrysanthum var. rufovelutinum (T.Yamaz.) T.Yamaz. variety synonym Rhododendron calosanthes Sleumer species accepted Rhododendron pseudochrysanthum var. nankotaisanense (Hayata) T.Yamaz. variety synonym Rhododendron pseudochrysanthum subsp. morii (Hayata) T.Yamaz. subspecies synonym Rhododendron pseudobuxifolium Sleumer species accepted Rhododendron ×psammogenes Sleumer species accepted Rhododendron calophyllum Nutt. species synonym Rhododendron calocodon Ridl. species synonym Rhododendron callichilioides Wernham species synonym Rhododendron calleryi Planch. species synonym Rhododendron caliginis Kores species accepted Rhododendron californicum var. washingtonianum Zabel variety homotypic synonym Rhododendron pruniflorum Hutch. & Kingdon-Ward species accepted Rhododendron ×pruhonicianum Kavka species accepted Rhododendron calendulaceum var. flammeum (Michx.) Sweet variety synonym Rhododendron calendulaceum f. croceum (Michx.) Rehder form synonym Rhododendron pulchellum Salisb. species synonym Rhododendron proteoides Balf.fil. & W.W.Sm. species accepted Rhododendron calendulaceum f. aurantium (Lodd.) Rehder form synonym Rhododendron protandrum Sleumer species accepted Osmothamnus pallidus (Turcz.) DC. species synonym Osmothamnus fragrans (Adams) DC. species synonym Rhododendron propinquum Balf.fil. & Kingdon-Ward ex Tagg species synonym Rhododendron prophantum Balf.fil. & Forrest species synonym Rhododendron pronum Tagg & Forrest species accepted Rhododendron calcicola Millais species synonym Rhododendron proliferum Sleumer species accepted Rhododendron calceolarioides Wernham species synonym Rhododendron caespitulum P.C.Tam species synonym Rhododendron caespitosum Sleumer species accepted Rhododendron procerum Salisb. species synonym Rhododendron caesium Hutch. species accepted Rhododendron caeruleum H.Lév. species synonym Rhododendron pritzelianum Diels species synonym Rhododendron caeruleoglaucum Balf.fil. & Forrest species synonym Rhododendron buxoides Sleumer species accepted Rhododendron buxifolium H.Low ex Hook.fil. species accepted Rhododendron buruense J.J.Sm. species accepted Rhododendron principis var. vellereum (Hutch. ex Tagg) T.L.Ming variety synonym Rhododendron burttii P.Woods species accepted Rhododendron ×burriflorum Balf.fil. & Forrest species synonym Rhododendron primulinum Hemsl. species synonym Rhododendron primuliflorum Bureau & Franch. species accepted Rhododendron burmanicum Hutch. species accepted Rhododendron preptum Balf.fil. & Forrest species accepted Rhododendron ×burjaticum Malyschev species accepted Rhododendron prattii Franch. species accepted Rhododendron prasinocalyx Balf.fil. & Forrest species synonym Rhododendron bureavioides Balf.fil. species synonym Rhododendron prainianum Koord. species accepted Rhododendron bureavii Franch. species accepted Rhododendron praevernum Hutch. species accepted Rhododendron ×bungonishiki Komatsu species accepted Rhododendron praetervisum Sleumer species accepted Rhododendron bulu Hutch. species accepted Rhododendron bullifolium Sleumer species accepted Rhododendron bullatum Franch. species synonym Rhododendron praestans Balf.fil. & W.W.Sm. species accepted Rhododendron buergeri Miq. species synonym Rhododendron ×praecox I.Davis species doubtful Rhododendron bryophilum Sleumer species accepted Rhododendron praeclarum Balf.fil. & Farrer species synonym Rhododendron ×broughtonianum André species synonym Rhododendron pothinum Balf.fil. & Forrest species synonym Rhododendron porrosquameum Balf.fil. & Forrest species synonym Rhododendron porphyrophyllum Balf.fil. & Forrest species synonym Rhododendron brookeanum subsp. cockburnii (Argentina, A.Lamb & Phillipps) Argent subspecies synonym Rhododendron porphyranthes Sleumer species accepted Rhododendron poremense J.J.Sm. species accepted Rhododendron breynii Planch. species synonym Rhododendron populare Cowan species accepted Rhododendron brevitubum Balf.fil. & R.E.Cooper species heterotypic synonym Rhododendron pomense Cowan & Davidian species accepted Rhododendron brevistylum Franch. species synonym Rhododendron polytrichum W.P.Fang species accepted Rhododendron brevipetiolatum M.Y.Fang species accepted Rhododendron brevipes Sleumer species accepted Rhododendron breviperulatum Hayata species accepted Rhododendron brevinerve Chun & W.P.Fang species accepted Rhododendron brevicaudatum R.C.Fang & S.S.Chang species accepted Rhododendron polylepis Franch. species accepted Rhododendron brettii Hemsl. & E.H.Wilson species synonym Rhododendron polycladum Franch. species accepted Rhododendron brassii Sleumer species accepted Rhododendron polyanthemum Sleumer species accepted Rhododendron bracteatum Rehder & E.H.Wilson species accepted Rhododendron polyandrum Hutch. species synonym Rhododendron brachystylum Balf.fil. & Kingdon-Ward species synonym Rhododendron poluninii Davidian species accepted Rhododendron brachypodum W.P.Fang & P.S.Liu species accepted Rhododendron polifolium Franch. species synonym Rhododendron brachypodarium Sleumer species accepted Rhododendron brachygynum H.F.Copel. species accepted Rhododendron poilanei Dop species synonym Rhododendron pogonophyllum Cowan & Davidian species accepted Rhododendron poecilodermum Balf.fil. & Forrest species synonym Rhododendron podocarpoides Schltr. species synonym Rhododendron pleianthum Sleumer species accepted Rhododendron brachyantherum Warb. ex P.Sarasin & Sarasin species accepted Rhododendron plebeium Balf.fil. & W.W.Sm. species synonym Rhododendron brachyandrum Balf.fil. & Forrest species synonym Rhododendron platypodum Diels species accepted Rhododendron platyphyllum (Franch. ex Diels) Balf.fil. & W.W.Sm. species accepted Rhododendron planifolium Nutt. species synonym Rhododendron bonvalotii Franch. species accepted Rhododendron ×planetum Balf.fil. species accepted Rhododendron bodinieri Franch. species synonym Rhododendron ×planecostatum Sleumer species accepted Rhododendron bodenii Wernham species synonym Rhododendron pittosporaefolium Hemsl. species accepted Rhododendron blumei Nutt. species synonym Rhododendron pingianum W.P.Fang species doubtful Rhododendron bloembergenii Sleumer species accepted Rhododendron pinetorum P.C.Tam species accepted Rhododendron blinii H.Lév. species synonym Rhododendron pilovittatum Balf.fil. & W.W.Sm. species synonym Rhododendron blepharocalyx Franch. species synonym Rhododendron pilostylum W.K.Hu species accepted Rhododendron pilicalyx Hutch. species synonym Rhododendron ×blandinianum Martrin-Donos species synonym Rhododendron piercei Davidian species accepted Rhododendron ×pictum J.Forbes species doubtful Rhododendron blackii Sleumer species accepted Rhododendron piceum P.C.Tam species synonym Rhododendron bivelatum Balf.fil. species accepted Rhododendron bilsianum hort. ex Lavallée, 1877 species accepted Rhododendron pholidotum Balf.fil. & W.W.Sm. species synonym Rhododendron bijiangense T.L.Ming species accepted Rhododendron bigener Steud. species synonym Rhododendron ×phoeniceum (Sweet) G.Don species synonym Rhododendron bicorniculatum P.C.Tam species synonym Rhododendron phaeops Sleumer species accepted Rhododendron bicolor (Aiton) Sweet species synonym Rhododendron bhutanense D.G.Long & Bowes Lyon species accepted Rhododendron bhotanicum C.B.Clarke species synonym Rhododendron beyerinckianum Koord. species accepted Rhododendron phaeochristum Sleumer species accepted Rhododendron phaeochlorum Balf.fil. & Forrest species synonym Rhododendron benthamianum Hemsl. species synonym Rhododendron phaeochiton F.Muell. species accepted Rhododendron bellum H.P.Yang species heterotypic synonym Rhododendron petrocharis Diels species accepted Rhododendron bellissimum D.F.Chamb. species accepted Rhododendron petilum P.C.Tam species synonym Rhododendron ×beimaense Balf.fil. & Forrest species synonym Rhododendron beesianum Diels species accepted Rhododendron perulatum Balf.fil. & Forrest species synonym Rhododendron beccarii Sleumer species accepted Rhododendron persicinum Hand.-Mazz. species synonym Rhododendron beanianum Cowan species accepted Rhododendron perplexum Sleumer species accepted Rhododendron perigrinum Tagg species accepted Rhododendron ×bathyphyllum Balf.fil. & Forrest species accepted Rhododendron periclymenoides f. glandiferum (Porter) Uttal form synonym Rhododendron pingbianense M.Y.Fang species accepted Rhododendron basilicum Balf.fil. & W.W.Sm. species accepted Rhododendron barkamense D.F.Chamb. species accepted Rhododendron barbatum f. imberbe (Hutch.) H.Hara form synonym Rhododendron banghamiorum (J.J.Sm.) Sleumer species accepted Rhododendron periclymenoides f. album (Aiton) C.F.Reed form synonym Rhododendron balsaminiflorum (Carrière) T.Moore species synonym Rhododendron balfourianum Diels species accepted Rhododendron balangense W.P.Fang species accepted Rhododendron ×peregrinum Tagg species accepted Rhododendron bainbridgeanum Tagg & Forrest species accepted Rhododendron peramabile Hutch. species synonym Rhododendron perakense King & Gamble species accepted Rhododendron bagobonum H.F.Copel. species accepted Rhododendron baenitzianum Lauterb. species accepted Rhododendron pentamerum (Maxim.) Matsum. & Nakai species synonym Rhododendron baconii Argent, A.Lamb & Phillipps species accepted Rhododendron bachii H.Lév. species accepted Rhododendron azaleoides Desf. species synonym Rhododendron pennivenium Balf.fil. & Forrest species accepted Rhododendron pendulum Hook.fil. species accepted Rhododendron austrokiusianum Hatus. species synonym Rhododendron pemakoense Kingdon-Ward species accepted Rhododendron ×pelargoniaeflorum Van Houtte species accepted Rhododendron pectinatum Hutch. species synonym Rhododendron pauciflorum King & Gamble species accepted Rhododendron australe Balf.fil. & Forrest species synonym Rhododendron patulum Kingdon-Ward species synonym Rhododendron auritum Tagg species accepted Rhododendron patuergensis S.S.Ying species accepted Rhododendron parvulum Sleumer species accepted Rhododendron parvifolium subsp. confertissimum (Nakai) A.P.Khokhr. subspecies synonym Rhododendron auriculatum Hemsl. species accepted Rhododendron parviflorum Dum.Cours. species synonym Rhododendron partitum J.J.Sm. species synonym Rhododendron parryae Hutch. species accepted Rhododendron parmulatum Cowan species accepted Rhododendron parishii C.B.Clarke species accepted Rhododendron papyrociliare P.C.Tam species synonym Rhododendron aucubifolium Hemsl. species synonym Rhododendron papuanum Becc. species accepted Rhododendron atroviride Dunn species synonym Rhododendron papillatum Balf.fil. & Cooper species accepted Rhododendron atrovirens Franch. species accepted Rhododendron ×panteumorphum Balf.fil. & W.W.Sm. species synonym Rhododendron pankimense Cowan & Kingdon-Ward species synonym Rhododendron atropurpureum Sleumer species accepted Rhododendron palustre (L.) Kron & Judd species heterotypic synonym Rhododendron atropunicum H.P.Yang species accepted Rhododendron atlanticum f. tomolobum Fernald form synonym Rhododendron atlanticum f. neglectum (Ashe) Rehder form synonym Rhododendron atlanticum var. luteoalbum (Coker) Rehder variety synonym Rhododendron pallidum (Turcz.) Dümmer species synonym Rhododendron ×pallescens Hutch. species accepted Therorhodion redowskianum (Maxim.) Hutch. species synonym Rhododendron atlanticum f. confusum Fernald form synonym Rhododendron pachytrichum var. monosematum (Hutch.) D.F.Chamb. variety synonym Therorhodion glandulosum Standl. ex Small species synonym Rhododendron pachystigma Sleumer species accepted Rhododendron pachysanthum Hayata species accepted Rhododendron atjehense Sleumer species accepted Rhododendron pachypodum Balf.fil. & W.W.Sm. species accepted Therorhodion camtschaticum var. pumilum (E.A.Busch) T.Yamaz. variety synonym Rhododendron atentsiense Hand.-Mazz. species synonym Rhododendron pachyphyllum W.P.Fang species accepted Rhododendron astrocalyx Balf. & Forrest ex Balf.fil. species synonym Rhododendron pachycarpon Sleumer species accepted Rhododendron astrapiae F.Först. species synonym Rhododendron oxyphyllum Franch. species synonym Rhododendron oxycoccoides Sleumer species accepted Rhododendron ovatum var. setuliferum M.Y.He variety synonym Rhododendron ovatum var. prismatum P.C.Tam variety synonym Rhododendron assamicum Kingdon-Ward species accepted Rhododendron ovatosepalum Yamam. species synonym Rhododendron asperum J.J.Sm. species accepted Rhododendron oulotrichum Balf.fil. & Forrest species synonym Rhododendron asperulum Hutch. & Kingdon-Ward species accepted Rhododendron osuzuyamense T.Yamaz. species accepted Rhododendron osmerum Balf.fil. & Forrest species synonym Rhododendron asperrimum Sleumer species accepted Rhododendron ×osakazuki Komatsu species synonym Rhododendron asparagoides Wernham species synonym Rhododendron orthocladum var. microleucum (Hutch.) M.N.Philipson & Philipson variety synonym Rhododendron ×ashitakayamense Sugim. species accepted Rhododendron ornatum Sweet species synonym Rhododendron arunachalense D.F.Chamb. & Rae species accepted Rhododendron artosquameum Balf.fil. & Forrest species synonym Rhododendron ×ornatissimum Verschaff. species doubtful Rhododendron orion Ridl. species synonym Rhododendron armitii F.M.Bailey species accepted Rhododendron orientale Wehmer species doubtful Rhododendron arizelum Balf.fil. & Forrest species accepted Rhododendron oresterum Balf.fil. & Forrest species synonym Rhododendron aristatum Royle species synonym Rhododendron oreotrephes W.W.Sm. species accepted Rhododendron oreogenum L.C.Hu species accepted Rhododendron argyrophyllum subsp. hypoglaucum (Hemsl.) D.F.Chamb. subspecies synonym Mumeazalea semibarbata Makino species synonym Rhododendron argyi H.Lév. species synonym Rhododendron oreites Sleumer species accepted Rhododendron argipeplum Balf.fil. & R.E.Cooper species accepted Rhododendron argenteum Hook.fil. species synonym Rhododendron oreadum Wernham species accepted Rhododendron arfskianum Becc. species doubtful Rhododendron orbiculatum Ridl. species accepted Rhododendron archboldianum Sleumer species accepted Rhododendron ×arbutifolium Rehder species doubtful Rhododendron arboreum subsp. delavayi (Franch.) D.F.Chamb. subspecies synonym Rhododendron oranum J.J.Sm. species synonym Rhododendron opulentum Sleumer species accepted Rhododendron ombrochares Balf.fil. & Kingdon-Ward species synonym Rhododendron oligocarpum W.P.Fang species accepted Rhododendron arborescens f. rubescens Rehder form synonym Rhododendron oliganthum Sleumer species accepted Rhododendron oleifolium Franch. species synonym Rhododendron arborescens f. flavescens Rehder form synonym Rhododendron odoriferum Hutch. species synonym Rhododendron octandrum M.Y.He species accepted Rhododendron ochrocalyx Delavay ex Millais species synonym Rhododendron boothii Nutt. species accepted Rhododendron ochraceum Rehder & E.H.Wilson species accepted Rhododendron occidentale var. sonomense (Greene) Rehder variety synonym Rhododendron apricum var. falcinellum P.C.Tam variety synonym Rhododendron occidentale var. paludosum Jeps. variety synonym Rhododendron apoanum Stein species accepted Rhododendron apiense Argent species accepted Rhododendron apiculatum Rehder & E.H.Wilson species synonym Rhododendron obtusum var. tosaense (Makino) Kitam. variety synonym Rhododendron aperantum Balf.fil. & Kingdon-Ward species accepted Rhododendron anwheiense E.H.Wilson species accepted Rhododendron anthosphaerum var. eritimum (Balf.fil. & W.W.Sm.) Davidian variety synonym Rhododendron obtusum var. japonicum (Maxim.) Kitam. variety synonym Rhododendron anthopogonoides subsp. hoi (W.P.Fang) W.P.Fang & Xiong subspecies synonym Rhododendron obscurum Sleumer species heterotypic synonym Rhododendron ×anneliesae Rehder species doubtful Rhododendron obovatum Hook.fil. species synonym Rhododendron oblongum Griff. species synonym Rhododendron annamense Rehder species synonym Rhododendron oblancifolium M.Y.Fang species accepted Rhododendron angustifolium Hoppe species synonym Rhododendron angulatum J.J.Sm. species accepted Rhododendron ×o-murasaki Makino species synonym Rhododendron angiense J.J.Sm. species accepted Rhododendron nymphaeoides W.K.Hu species accepted Rhododendron nyingchiense R.C.Fang & S.H.Huang species accepted Rhododendron anagalliflorum Wernham species accepted Rhododendron nwaiense Balf.fil. & W.W.Sm. species synonym Rhododendron amundsenianum Hand.-Mazz. species accepted Rhododendron nuttallii Booth ex Nutt. species accepted Rhododendron amphichlorum Ingram species synonym Rhododendron nummatum J.J.Sm. species accepted Rhododendron ×amoenum (Lindl.) Planch. species accepted Rhododendron nudipes subsp. yakumontanum T.Yamaz. subspecies synonym Rhododendron amesiae Rehder & E.H.Wilson species accepted Rhododendron nudipes var. tsurugisanense T.Yamaz. variety synonym Rhododendron ambiguum Hemsl. species accepted Rhododendron nudipes var. tokushimense T.Yamaz. variety synonym Rhododendron amaurophyllum Balf.fil. & Forrest species synonym Rhododendron amandum Cowan species accepted Rhododendron nudipes var. mayebarae (Nakai & H.Hara) Kitam. variety synonym Rhododendron nudipes var. lagopus (Nakai) T.Yamaz. variety synonym Rhododendron amakusaense (Takada ex T.Yamaz.) T.Yamaz. species accepted Rhododendron amagianum (Makino) Makino ex H.Hara species accepted Rhododendron nudiflorum var. polyandrum (Pursh) G.Don variety synonym Rhododendron nudiflorum var. papilionaceum Zabel variety synonym Rhododendron alternans Sleumer species accepted Rhododendron ×altaclerense Lindl. species accepted Rhododendron ×alstroemerioides Lem. species accepted Rhododendron nudiflorum var. bicolor Zabel variety synonym Rhododendron album (Pursh) Hoffmanns. species proparte synonym Rhododendron nudiflorum f. album (Aiton) Rehder form synonym Rhododendron albrechtii f. canescens Sugim. form synonym Rhododendron albrechtii f. albiflorum T.Yamaz. form synonym Rhododendron nubicola Wernham species accepted Rhododendron notiale Craven species synonym Rhododendron alborugosum Argent & J.Dransf. species accepted Rhododendron notatum Hutch. species synonym Rhododendron albiflorum var. warrenii (A.Nelson) M.A.Lane variety synonym Rhododendron nortoniae Merr. species accepted Rhododendron noriakianum Suzuki species accepted Rhododendron albiflorum f. poikilon J.K.Henry form synonym Rhododendron ×norbitonense var. broughtonianum (André) Rehder variety synonym Rhododendron albiflorum f. plenum Rehder form synonym Rhododendron ×norbitonense var. aureum (Paxton) Rehder variety synonym Rhododendron albicaule H.Lév. species synonym Rhododendron ×albicans Waterer ex Zabel species accepted Rhododendron nodosum C.H.Wright species synonym Rhododendron ×albescens W.Bull species accepted Rhododendron nobleanum Lindl. species synonym Rhododendron nobile Wall. species synonym Rhododendron niveoflorum Argent species accepted Rhododendron aischropeplum Balf.fil. & Forrest species synonym Rhododendron aiolosalpinx Balf.fil. & Farrer species synonym Rhododendron nitidum (Pursh) Torr. species synonym Rhododendron agathodaemonis J.J.Sm. species accepted Rhododendron nitens Sleumer species heterotypic synonym Rhododendron ×agastum var. pennivenium (Balf.fil. & Forrest) T.L.Ming variety synonym Rhododendron nishiokae H.Hara species synonym Rhododendron agapetum Balf.fil. & Kingdon-Ward species synonym Rhododendron nipponicum Matsum. species accepted Rhododendron niphobolum Balf.f. & Farrer species synonym Rhododendron aganniphum var. glaucopeplum (Balf.fil. & Forrest) T.L.Ming variety synonym Rhododendron niphargum Balf.fil. & Kingdon-Ward species synonym Rhododendron afghanicum Aitch. species accepted Rhododendron aeruginosum Hook.fil. species accepted Rhododendron aequabile J.J.Sm. species accepted Rhododendron aemulorum Balf.fil. species synonym Rhododendron nigroglandulosum Nitz. species accepted Rhododendron adroserum Balf.fil. & Forrest species synonym Rhododendron nieuwenhuisii J.J.Sm. species accepted Rhododendron adoxum Balf.fil. & Forrest species synonym Rhododendron nhatrangense Dop species accepted Rhododendron admirabile Balf.fil. & Forrest species synonym Rhododendron ngawchangensis M.N.Philipson & Philipson species accepted Rhododendron adinophyllum Merr. species accepted Rhododendron nervosulum Sleumer species doubtful Rhododendron adenosum (Cowan & Davidian) Davidian species accepted Rhododendron neriifolium Schltr. species accepted Rhododendron adenostemonum Balf.f. & W.W.Sm. species synonym Rhododendron adenopodum Franch. species accepted Rhododendron adenophorum Balf.fil. & W.W.Sm. species synonym Rhododendron adenogynum Diels species accepted Rhododendron adenobracteum X.F.Gao & Y.L.Peng species accepted Rhododendron adenanthum M.Y.He species accepted Rhododendron adansonii Pépin species synonym Rhododendron adamsii Rehder species accepted Rhododendron neoglandulosum Harmaja species synonym Rhododendron neobritannicum Sleumer species accepted Rhododendron nemorosum R.Z.Fang species synonym Rhododendron nematocalyx Balf.fil. & W.W.Sm. species synonym Rhododendron neglectum (Ashe) Ashe species synonym Rhododendron ×nebulicola Danet species accepted Rhododendron nayarii G.D.Pal species synonym Rhododendron natalicium Sleumer species accepted Rhododendron narcissiflorum Planch. species synonym Rhododendron nanum H.Lév. species synonym Rhododendron nanpingense P.C.Tam species accepted Rhododendron nanophyton Sleumer species accepted Rhododendron nankotaisanense Hayata species synonym Rhododendron nanjianense K.M.Feng & Z.H.Yang species accepted Rhododendron nakotiltum Balf.fil. & Forrest species accepted Rhododendron nakaii Komatsu species synonym Rhododendron myrtilloides Balf.fil. & Kingdon-Ward species synonym Rhododendron myrtifolium Lodd. species synonym Rhododendron myrsinites Sleumer species accepted Rhododendron myrsinifolium Ching ex W.P.Fang & M.Y.He species accepted Rhododendron mutabile Webb ex Royle species synonym Rhododendron muscicola J.J.Sm. species accepted Rhododendron multinervium Sleumer species accepted Rhododendron multicolor Miq. species accepted Rhododendron mucronulatum subsp. sichotense (Pojark.) A.P.Khokhr. subspecies synonym Rhododendron mucronulatum f. leucanthum T.Yamaz. form synonym Rhododendron mucronulatum f. ciliatum (Nakai) Kitag. form synonym Rhododendron mucronulatum var. chejuense Davidian variety synonym Rhododendron mucronatum (Blume) G.Don species accepted Rhododendron moupinense Franch. species accepted Rhododendron moulmainense var. calcaratum G.Z.Li variety synonym Rhododendron motsonense H.Lév. species synonym Rhododendron moszkowskii Schltr. species synonym Rhododendron morii var. taitunense (T.Yamaz.) D.F.Chamb. variety synonym Rhododendron ×morelianum Lem. species accepted Rhododendron montroseanum Davidian species accepted Rhododendron montiganum T.L.Ming species accepted Enkianthus biflorus Lour. species synonym Rhododendron ×monosematum Hutch. & Bot.Mag. species accepted Rhododendron monodii (H.J.Lam) Argent species accepted Rhododendron monkoboense Argent species accepted Rhododendron monbeigii Rehder & E.H.Wilson species synonym Rhododendron monanthum Balf.fil. & W.W.Sm. species accepted Rhododendron mollyanum Cowan & Davidian species synonym Rhododendron mollicomum Balf.fil. & W.W.Sm. species accepted Rhododendron mollianum Koord. species accepted Rhododendron molle f. multifidum (Nakai) Yonek. form synonym Rhododendron molle subsp. japonicum (A.Gray) Kron subspecies synonym Rhododendron molle f. glaucophyllum (Nakai) Yonek. form synonym Rhododendron molle f. flavum (Miyoshi) Yonek. form synonym Rhododendron molle f. canescens (Sugim.) Yonek. form synonym Rhododendron mogeanum Argent species accepted Rhododendron modestum Hook.fil. species synonym Rhododendron ×mizumotoi S.Watan. species accepted Rhododendron miyiense W.K.Hu species accepted Rhododendron miyazawae Nakai & H.Hara species synonym Rhododendron missionarium H.Lév. species synonym Rhododendron mishmiense Hutch. & Kingdon-Ward species synonym Rhododendron mirabile Kingdon-Ward species accepted Rhododendron minyaense M.N.Philipson & Philipson species accepted Rhododendron minutiflorum Hu species accepted Rhododendron minus var. margarettae Peattie, 1930 variety synonym Rhododendron minus f. harbisonii Rehder form synonym Rhododendron minimifolium Wernham species accepted Rhododendron miniatum Cowan species accepted Rhododendron mindanaense Merr. species accepted Rhododendron mimetes var. simulans Tagg & Forrest variety synonym Rhododendron milleri Argent species accepted Rhododendron microphyllum J.J.Sm. species synonym Rhododendron micromeres Tagg species synonym Rhododendron micromalayanum Sleumer species accepted Rhododendron microleucum Hutch. species synonym Rhododendron microgynum Balf.fil. & Forrest species accepted Rhododendron micranthum Turcz. species accepted Rhododendron mianningense Z.J.Zhao species accepted Rhododendron metternichii f. latifolium Sugim. form synonym Rhododendron meridionale var. setistylum P.C.Tam variety synonym Rhododendron meridionale var. minor P.C.Tam variety synonym Rhododendron mengtszense Balf.fil. & Sm. species accepted Rhododendron mendumiae Argent species accepted Rhododendron meliphagidum J.J.Sm. species accepted Rhododendron melantherum Schltr. species accepted Rhododendron meijeri Argent, A.Lamb & Phillipps species accepted Rhododendron megeratum Balf.fil. & Forrest species accepted Rhododendron megaphyllum Balf.fil. & Forrest species synonym Rhododendron megalanthum M.Y.Fang species accepted Rhododendron megacalyx Balf.fil. & Kingdon-Ward species accepted Rhododendron meddianum Forrest species accepted Rhododendron mayrii J.J.Sm. species synonym Rhododendron mayebarae f. leucanthum (Hatus.) T.Yamaz. form synonym Rhododendron maxwellii Gibbs species accepted Rhododendron maxiongense C.Q.Zhang & D.Paterson species synonym Rhododendron maximum f. viridimaculatum Peck form synonym Rhododendron maximum var. roseum Pursh variety synonym Rhododendron maximum var. purpureum Pursh variety synonym Rhododendron maximum var. leachii B.E.Harkn. ex D.H.Voss variety synonym Rhododendron maximum f. album (Pursh) Fernald form synonym Rhododendron martinianum Balf.fil. & Forrest species accepted Rhododendron mariesii Hemsl. & E.H.Wilson species accepted Rhododendron mariae subsp. kwangsiense (Hu ex P.C.Tam) D.F.Chamb. & Rae subspecies synonym Stemotis album (Blume) Raf. species synonym Rhododendron margarettae (Ashe) Ashe species synonym Rhododendron maowenense Ching & H.P.Yang species accepted Rhododendron maoerense W.P.Fang & G.Z.Li species doubtful Rhododendron manopeplum Balf.fil. & Forrest species synonym Rhododendron manipurense Balf.fil. & G.Watt species synonym Rhododendron mandarinorum Diels species synonym Rhododendron ×malvaticum Anon. species accepted Rhododendron mallotum Balf.fil. & Kingdon-Ward species accepted Rhododendron malipoense M.Y.He species accepted Rhododendron malayanum Jack species accepted Rhododendron makinoi Tagg species synonym Rhododendron maius (J.J.Sm.) Sleumer species accepted Rhododendron mairei H.Lév. species synonym Rhododendron mainlingense S.H.Huang & R.C.Fang species accepted Rhododendron maguanense K.M.Feng species synonym Rhododendron ×magorianum Millais species doubtful Rhododendron magniflorum W.K.Hu species accepted Rhododendron magnificum Sleumer species heterotypic synonym Rhododendron madulidii Argent species accepted Rhododendron maddenii subsp. crassum (Franch.) Cullen subspecies synonym Rhododendron maculiferum subsp. anhweiense (E.H.Wilson) D.F.Chamb. subspecies synonym Rhododendron macrostemon Maxim. species synonym Rhododendron macrosmithii Davidian species synonym Rhododendron macrosiphon Sleumer species accepted Rhododendron macrosepalum Maxim. species synonym Rhododendron macrophyllum f. album Rehder form synonym Rhododendron macrocarpum Van Houtte species synonym Rhododendron macrocarpos Griff. species synonym Rhododendron macranthum Griff. species heterotypic synonym Rhododendron mackenzianum Forrest species accepted Rhododendron macgregoriae F.Muell. species accepted Rhododendron macabeanum G.Watt ex Balf.fil. species accepted Rhododendron maboroense Schltr. species synonym Rhododendron ×lysolepis Hutch. species accepted Rhododendron luteum var. flammeum (Michx.) C.K.Schneid. variety synonym Rhododendron luteum var. croceum (Michx.) C.K.Schneid. variety synonym Rhododendron lutescens f. shimianense (W.P.Fang & P.S.Liu) Y.Y.Geng form synonym Rhododendron luteosquamatum Sleumer species synonym Rhododendron luteiflorum (Davidian) Cullen species synonym Rhododendron ×luscombei W.Watson species accepted Rhododendron lungchiense W.P.Fang species accepted Rhododendron lulangense L.C.Hu & Tateishi species accepted Rhododendron lukiangense Franch. species accepted Rhododendron luhuoense H.P.Yang species accepted Rhododendron ludwigianum Hosseus species synonym Rhododendron ludlowii Cowan species accepted Rhododendron luciferum (Cowan) Cowan species accepted Rhododendron lucidum Franch. species heterotypic synonym Rhododendron lowndesii Davidian species accepted Rhododendron lophogynum Balf.f. species accepted Rhododendron loniceriflorum P.C.Tam species accepted Anthodendron viscosum (L.) Rchb. species synonym Rhododendron longiperulatum Hayata species accepted Anthodendron nudiflorum Rchb. species synonym Rhododendron longilobum L.M.Gao & D.Z.Li species accepted Anthodendron flavum (Hoffmanns.) Rchb. species synonym Rhododendron longifalcatum P.C.Tam species accepted Rhododendron longicalyx M.Y.Fang species accepted Rhododendron longesquamatum var. glabristylum Y.Y.Geng & Z.L.Zhao variety synonym Rhododendron lompohense J.J.Sm. species accepted Rhododendron loerzingii J.J.Sm. species accepted Rhododendron ×lochmium Balf.fil. species accepted Rhododendron lochiae F.Muell. species accepted Rhododendron lochae F.Muell. species doubtful Rhododendron loboense H.F.Copel. species accepted Rhododendron lobbii H.J.Veitch species synonym Rhododendron litiense Balf.fil. & Forrest species synonym Rhododendron lithophilum Balf.fil. & Kingdon-Ward species synonym Rhododendron litchiifolium T.C.Wu & P.C.Tam species accepted Rhododendron litangense Balf.f. species synonym Rhododendron linnaeoides Schltr. species synonym Rhododendron linguiense G.Z.Li species accepted Rhododendron linearilobum R.C.Fang & A.L.Chang species accepted Rhododendron linearifolium Poir. species doubtful Rhododendron linearicupulare P.C.Tam species synonym Rhododendron lineare Merr. species accepted Rhododendron lindleyi T.Moore species accepted Rhododendron lindleyanum Lavallée species heterotypic synonym Rhododendron lindaueanum Koord. species accepted Rhododendron limprichtii Diels species synonym Rhododendron liliiflorum H.Lév. species accepted Rhododendron ×liewianum Argent, A.Lamb & Phillipps species accepted Rhododendron liboense Zheng R.Chen & K.M.Lan species accepted Rhododendron liaoxigensis S.L.Tung & Z.Lu species accepted Rhododendron liangshanicum Z.J.Zhao species accepted Rhododendron leytense Merr. species accepted Rhododendron levinei Merr. species accepted Rhododendron leucogigas Sleumer species accepted Rhododendron leucobotrys Ridl. species synonym Rhododendron leucaspis Tagg species accepted Rhododendron leucanthum Bunge species synonym Rhododendron leucandrum H.Lév. species synonym Rhododendron leptothrium Balf.fil. & Forrest species accepted Rhododendron leptosanthum Hayata species synonym Rhododendron leptopeplum Balf.fil. & Forrest species accepted Rhododendron leptomorphum Sleumer species accepted Rhododendron leptocladon Dop species synonym Rhododendron leptocarpum Nutt. species accepted Rhododendron leptobrachion Sleumer species accepted Rhododendron lepidotum subsp. salignum (Hook.fil.) Pradhan & Lachungpa subspecies synonym Rhododendron lepidotum subsp. obovatum (Hook.fil.) Pradhan & Lachungpa subspecies synonym Rhododendron lepidotum var. minutiforme Davidian variety synonym Rhododendron lepidotum var. album Davidian variety synonym Rhododendron lepidostylum Balf.fil. & Forrest species accepted Rhododendron lemeei H.Lév. species synonym Rhododendron leishanicum W.P.Fang & X.S.Zhang species doubtful Rhododendron leiopodum Hayata species synonym Rhododendron leilungense Balf.fil. & Forrest species synonym Rhododendron leiboense Z.J.Zhao species synonym Rhododendron leei W.P.Fang species synonym Rhododendron ledifolium G.Don species synonym Rhododendron ledebourii Pojark. species synonym Rhododendron lauterbachianum F.Först. species synonym Rhododendron laureola Schltr. species synonym Rhododendron laudandum Cowan species accepted Rhododendron latoucheae var. ionanthum (W.P.Fang) G.Z.Li variety synonym Rhododendron latifolium Hoffmanns. species heterotypic synonym Rhododendron laticostum Ingram species synonym Rhododendron lateritium (Lindl.) Planch. species synonym Rhododendron lateriflorum R.C.Fang & A.L.Zhang species accepted Rhododendron lasiostylum Hayata species accepted Rhododendron lasiopodum Hutch. species synonym Rhododendron lapponicum var. viride Berlin variety synonym Rhododendron lapponicum var. roseum Abrom. variety synonym Rhododendron lapponicum subsp. parvifolium (Adams) T.Yamaz. subspecies synonym Rhododendron lapponicum var. alpinum (Glehn) T.Yamaz. variety synonym Rhododendron laoticum Dop species synonym Rhododendron laojunense T.L.Ming species synonym Rhododendron lanigerum var. silvaticum (Cowan) Davidian variety synonym Rhododendron lanceolatum Ridl. species accepted Rhododendron lanatoides D.F.Chamb. species accepted Rhododendron lamprophyllum var. ovalifolium T.Yamaz. variety synonym Rhododendron lampropeplum Balf.fil. & Forrest species synonym Rhododendron lampongum Miq. species accepted Rhododendron lamii J.J.Sm. species accepted Rhododendron lambianum Argent species accepted Rhododendron lagunculicarpum J.J.Sm. species accepted Rhododendron lagopus var. tsurugisanense (T.Yamaz.) T.Yamaz. variety synonym Rhododendron lagopus var. tokushimense (T.Yamaz.) T.Yamaz. variety synonym Rhododendron laetum J.J.Sm. species accepted Rhododendron laetovirens Rehder species accepted Rhododendron ×laetevirens Rehder species accepted Rhododendron lacteum Stapf species heterotypic synonym Rhododendron labolengense Ching & H.P.Yang species accepted Rhododendron kyawii Lace & W.W.Sm. species accepted Rhododendron kwangtungense Merr. & Chun species accepted Rhododendron kwangsiense var. subfalcatum P.C.Tam variety synonym Rhododendron kwangsiense var. salicinum P.C.Tam variety synonym Rhododendron kwangfuense Chun & W.P.Fang species synonym Rhododendron ×kurohimense Arakawa species accepted Rhododendron ×kuratanum S.Watan. species accepted Rhododendron kuluense D.F.Chamb. species synonym Rhododendron ×koudzumontanum Hid.Takah. & Katsuy. species accepted Rhododendron kotschyi Simonk. species accepted Rhododendron ×kosterianum C.K.Schneid. species accepted Rhododendron korthalsii Miq. species accepted Rhododendron kongboense Kingdon-Ward ex L.N.Rothsch., 1933 species doubtful Rhododendron komiyamae Makino species accepted Rhododendron ×komatsui T.Yamaz. species accepted Rhododendron kogo Danet species accepted Rhododendron kochii Stein species accepted Rhododendron ×knightianum J.Forbes species doubtful Rhododendron klossii Ridl. species synonym Rhododendron kjellbergii J.J.Sm. species synonym Rhododendron kiyosumense (Makino) Makino species accepted Rhododendron kiusianum var. sataense (Nakai) D.F.Chamb. & Rae variety synonym Rhododendron ×kisoanum Okuhara ex T.Shimizu species accepted Rhododendron kirkii Millais species synonym Rhododendron kingianum Watt species accepted Rhododendron kingdonii Merr. species synonym Rhododendron kiangsiense W.P.Fang species accepted Rhododendron keysseri F.Först. species synonym Rhododendron keysii Nutt. species accepted Rhododendron ×kewense S.Watson species accepted Rhododendron ×kesselringii E.L.Wolf species accepted Rhododendron kesangiae var. album Namgyel & D.G.Long variety synonym Rhododendron kerowagiense Argent species accepted Rhododendron kendrickii Nutt. species accepted Rhododendron kemulense J.J.Sm. species accepted Rhododendron keleticum Balf.fil. & Forrest species accepted Rhododendron ×keditii Sleumer species accepted Rhododendron ×kawir Danet species accepted Rhododendron kawakamii Hayata species accepted Rhododendron kasoense Hutch. & Kingdon-Ward species accepted Rhododendron kansuense Millais species accepted Rhododendron kangdingense Z.J.Zhao species synonym Rhododendron kamtschaticum subsp. glandulosum (Standl. ex Small) Hultén, 1930 subspecies synonym Rhododendron kalmiifolium hort. ex Lavallée, 1877 species accepted Rhododendron kaliense W.P.Fang & M.Y.He species synonym Rhododendron kaempferi f. kozushimense T.Yamaz. form synonym Rhododendron joniense Ching & H.P.Yang species accepted Rhododendron johnstoneanum G.Watt ex Hutch. species accepted Rhododendron jodogawa Hassk. species synonym Rhododendron jinxiuense W.P.Fang & M.Y.He species accepted Rhododendron jinpingense W.P.Fang & M.Y.He species accepted Rhododendron jinchangense Z.H.Yang species accepted Rhododendron jiewhoei Argent species accepted Rhododendron jenkinsii Nutt. species synonym Rhododendron jenestierianum Forrest species synonym Rhododendron javanicum subsp. cockburnii Argent, A.Lamb & Phillipps subspecies synonym Rhododendron jasminoides M.Y.He species accepted Loiseleria indica (L.) Rchb. species synonym Rhododendron japonoheptamerum f. albiflorum (Takeda) T.Yamaz. form synonym Rhododendron japonicum f. multifidum Nakai form synonym Rhododendron japonicum var. glaucophyllum Nakai variety synonym Rhododendron japonicum f. canescens Sugim. form synonym Rhododendron jamesianum Millais species doubtful Rhododendron jahandiezii H.Lév. species synonym Rhodora congesta Moench species synonym Rhododendron ×jacksonii Anon. species synonym Rhododendron ixeuticum Balf.fil. & W.W.Sm. species synonym Rhododendron iteophyllum Hutch. species synonym Rhododendron zollingeri J.J.Sm. species accepted Rhododendron zoelleri Warb. species accepted Rhododendron ziyuanense var. pachyphyllum (W.P.Fang) G.Z.Li variety synonym Rhododendron ioanthum Balf.fil. species synonym Rhododendron zhongdianense L.C.Hu species accepted Rhododendron invictum Balf.fil. & Farrer species accepted Rhododendron zheguense Ching & H.P.Yang species accepted Rhododendron invasorium Sleumer species synonym Rhododendron zhangjiajieense C.L.Peng & L.H.Yan species accepted Rhododendron intricatum Franch. species accepted Rhododendron intranervatum Sleumer species accepted Rhododendron intermedium Hegetschw. species doubtful Rhododendron yunnanense Franch. species accepted Rhododendron yungchangense Cullen species accepted Rhododendron yulingense W.P.Fang species synonym Rhododendron yuefengense G.Z.Li species synonym Rhododendron insculptum Kingdon-Ward species accepted Rhododendron youngae W.P.Fang species synonym Rhododendron yongii Argent species accepted Rhododendron yizhangense Q.X.Liu species accepted Rhododendron yelliottii Warb. species accepted Rhododendron indicum (L.) Sweet species accepted Rhododendron inconspicuum J.J.Sm. species accepted Rhododendron incommodum Sleumer species accepted Rhododendron yaoshanicum W.P.Fang & M.Y.He species accepted Rhododendron inaequale (C.B.Clarke) Hutch. species accepted Rhododendron impressopunctatum J.J.Sm. species accepted Rhododendron yaoshanense L.M.Gao & Shu D.Zhang species accepted Rhododendron impositum J.J.Sm. species accepted Rhododendron yaogangxianense Q.X.Liu species accepted Rhododendron yanthinum Bureau & Franch. species synonym Rhododendron yangmingshanense P.C.Tam species accepted Rhododendron impeditum Balf.fil. & W.W.Sm. species accepted Rhododendron yakusimanum subsp. makinoi (Tagg) Chamb. subspecies synonym Rhododendron ×impeanum Anon. species accepted Rhododendron imberbe Hutch. species synonym Rhododendron yakushimanum Nakai species accepted Rhododendron ignicolor Warb. ex P.Sarasin & Sarasin species doubtful Rhododendron yakumontanum (T.Yamaz.) T.Yamaz. species accepted Rhododendron igneum Cowan species accepted Rhododendron idoneum Balf.fil. & W.W.Sm. species synonym Rhododendron yakuinsulare Masam. species accepted Rhododendron hyugaense (T.Yamaz.) T.Yamaz. species accepted Rhododendron xizangense W.P.Fang & W.K.Hu ex Q.Z.Yu species synonym Rhododendron hypotrichotum Balf.fil. & Forrest species synonym Rhododendron xiguense Ching & H.P.Yang species accepted Rhododendron hypophaeum Balf.fil. & Forrest species synonym Rhododendron xichangense Z.J.Zhao species accepted Rhododendron hypoleucum (Kom.) Harmaja species accepted Rhododendron xiaoxidongense W.K.Hu species accepted Rhododendron hypoleucophyllum Makino species accepted Rhododendron xenium Gill.K.Br. & Craven species accepted Rhododendron xanthostephanum Merr. species accepted Rhododendron hypoglaucum Hemsl. species accepted Rhododendron xanthopetalum Merr. species accepted Rhododendron xanthoneuron H.Lév. species synonym Rhododendron hyperythrum Hayata species accepted Rhododendron hymenanthes Makino species synonym Rhododendron xanthinum Balf.fil. & W.W.Sm. species synonym Rhododendron hylothreptum Balf.fil. & W.W.Sm. species synonym Rhododendron ×xanthanthum (Tagg & Forrest) D.F.Chamb. species accepted Rhododendron hylaeum Balf.fil. & Farrer species accepted Rhododendron wuyishanicum L.K.Ling species accepted Rhododendron ×hybridum Ker Gawl. species accepted Rhododendron wumingense W.P.Fang species accepted Rhododendron wuense Balf.fil. species synonym Rhododendron hyacinthosmum Sleumer species accepted Rhododendron wrightianum Koord. species accepted Rhododendron wrayi King & Gamble species accepted Rhododendron hutchinsonianum W.P.Fang species synonym Rhododendron wongii Hemsl. & E.H.Wilson species accepted Rhododendron womersleyi Sleumer species accepted Rhododendron wolongense W.K.Hu species accepted Rhododendron wollastonii Wernham species synonym Rhododendron wiltonii Hemsl. & E.H.Wilson species accepted Rhododendron wilsonii Nutt. species homotypic synonym Rhododendron hunanense var. mangshanicum P.C.Tam variety synonym Rhododendron wilsonianum hort. ex Lavallée, 1877 species accepted Rhododendron humicola Balf.fil. species synonym Rhododendron huiyangense W.P.Fang & M.Y.He species synonym Rhododendron huidongense T.L.Ming species accepted Rhododendron willmottiae Hort, 1914 species accepted Rhododendron williamsii Merr. ex H.F.Copel. species accepted Rhododendron huguangense P.C.Tam species accepted Rhododendron williamsianum Rehder & E.H.Wilson species accepted Rhododendron huadingense B.Y.Ding & Y.Y.Fang species accepted Rhododendron wilkiei Argent species accepted Rhododendron ×wilhelminae Hochr. species accepted Rhododendron houlstonii Hemsl. & E.H.Wilson species synonym Rhododendron hortense Nakai species synonym Rhododendron weyrichii f. purpuriflorum T.Yamaz. form synonym Rhododendron horlickianum Davidian species accepted Rhododendron weyrichii f. albiflorum T.Yamaz. form synonym Rhododendron hookeri Nutt. species accepted Rhododendron westlandii Hemsl. species accepted Rhododendron hooglandii Sleumer species accepted Rhododendron wentianum Koord. species accepted Azaleastrum warrenii A.Nelson species synonym Rhododendron hongkongense Hutch. species accepted Rhododendron weldianum Rehder & E.H.Wilson species synonym Rhododendron websterianum Rehder & E.H.Wilson species accepted Rhododendron ×holmleaense Rehder species accepted Rhododendron hoi W.P.Fang species accepted Rhododendron wattii Cowan species accepted Azaleastrum semibarbatum (Maxim.) Makino species synonym Rhododendron watsonii Hemsl. & E.H.Wilson species accepted Azaleastrum albiflorum subsp. warrenii (A.Nelson) W.A.Weber subspecies synonym Rhododendron hispidum (Pursh) Torr. species heterotypic synonym Rhododendron wasonii var. rhododactylum (Millais) Davidian variety synonym Rhododendron hirtolepidotum J.J.Sm. species accepted Rhododendron washingtonianum Millais species synonym Rhododendron hirtipes Tagg species accepted Rhododendron hirsutum L. species accepted Rhododendron hirsutipetiolatum R.C.Fang & A.L.Zhang species accepted Rhododendron ×hirsutiformum Grembl. species doubtful Azalea weyrichii (Maxim.) Kuntze species synonym Azalea westlandii (Hemsl.) Kuntze species proparte synonym Rhododendron walongense Kingdon-Ward species accepted Azalea vittata Dum.Cours. species synonym Rhododendron wallaceanum Millais species synonym Azalea ×viscosepala R.A. species synonym Rhododendron himantodes Sleumer species accepted Rhododendron wadanum Makino species accepted Azalea viscosa var. virens Michx. variety synonym Rhododendron vonroemeri Koord. species synonym Azalea viscosa var. rubescens G.Lodd. variety synonym Rhododendron vittatum (Fortune) Planch. species synonym Azalea viscosa var. palustris Marshall variety synonym Rhododendron hidaense Makino species doubtful Rhododendron vitis-idaea Sleumer species accepted Azalea viscosa var. ornata (Sweet) DC. variety synonym Rhododendron hexamerum Hand.-Mazz. species synonym Azalea viscosa var. nitida (Pursh) A.Gray variety synonym Rhododendron heteroclitum H.P.Yang species accepted Rhododendron hesperium Balf.fil. & Forrest species synonym Rhododendron viscosum f. rubescens (G.Lodd.) E.H.Wilson & Rehder form synonym Rhododendron herzogii Warb. species accepted Rhododendron viscosum f. roseum Hollick form synonym Rhododendron viscosum f. rhodanthum Rehder form synonym Rhododendron heptaster Gilli species synonym Rhododendron viscosum var. ornatum (Sweet) G.Don variety synonym Azalea viscosa var. montana (Rehder) Ashe variety synonym Azalea viscosa var. hispida (Pursh) Hook. variety synonym Rhododendron hepaticum P.C.Tam species synonym Rhododendron henryi var. pubescens K.M.Feng & A.L.Chang variety synonym Azalea viscosa var. glauca Michx., 1803 variety synonym Azalea viscosa var. aemulans (Rehder) Ashe variety synonym Rhododendron viscosum f. hispidum (Pursh) Voss form synonym Rhododendron hemsleyanum E.H.Wilson species accepted Rhododendron hemitrichotum Balf.fil. & Forrest species accepted Azalea viscida Christm. species synonym Rhododendron hemigynum (Tagg & Forrest) D.F.Chamb. species doubtful Azalea virgata (Hook.fil.) Kuntze species synonym Azalea virens (Michx.) Dum.Cours. species synonym Rhododendron helodes Sleumer species accepted Rhododendron hellwigii Warb. species accepted Rhododendron viscosum f. coerulescens Rehder form synonym Azalea veitchiana (Hook.) Kuntze species synonym Azalea vaseyi (A.Gray) Rehder species synonym Rhododendron heliolepis var. brevistylum (Franch.) Cullen variety synonym Azalea tubiflora Blume ex DC. species synonym Rhododendron hejiangense M.Y.He species synonym Azalea tschonoskii (Maxim.) Kuntze species synonym Rhododendron heizhugouense M.Y.He & L.C.Hu species accepted Rhododendron heishuiense W.P.Fang species synonym Rhododendron ×viscosepalum (R.A.) Rehder species accepted Azalea trichoclada (Franch.) Kuntze species synonym Rhododendron heftii Davidian species synonym Rhododendron hedythamnum Balf.fil. & Forrest species synonym Azalea thymifolia (Maxim.) Kuntze species synonym Rhododendron hedyosmum Balf.fil. species synonym Rhododendron viscistylum var. hyugaense T.Yamaz. variety synonym Rhododendron heatherae Rushforth species accepted Rhododendron headfortianum Hutch. species synonym Rhododendron viscigemmatum P.C.Tam species accepted Azalea tashiroi (Maxim.) H.F.Copel. species synonym Rhododendron hatamense Becc. species accepted Azalea taschiroi (Maxim.) Kuntze species synonym Rhododendron ×hasegawae S.Watan. species accepted Rhododendron viscidum C.Z.Guo & Z.H.Liu species accepted Azalea taliensis (Franch.) Kuntze species synonym Rhododendron hartleyi Sleumer species accepted Rhododendron viscidifolium Davidian species accepted Azalea sulfurea (Franch.) Kuntze species synonym Rhododendron harrovianum Hemsl. species synonym Rhododendron viriosum Craven species accepted Azalea subsessilis (Rendle) H.F.Copel. species synonym Plinthocroma ferrugineum (L.) Dulac species synonym Rhododendron viridescens Hutch. species accepted Rhododendron virgatum var. oleifolium (Franch.) Demoly variety synonym Azalea staminea (Franch.) Kuntze species synonym Azalea squamosa (Lindl.) Kuntze species synonym Rhododendron virgatum var. glabriflorum K.M.Feng variety synonym Azalea squamata Lindl. species synonym Azalea speciosa var. coccinea (Aiton) DC. variety synonym Azalea speciosa var. aurantia (Lodd.) DC. variety synonym Rhododendron haofui Chun & W.P.Fang species accepted Rhododendron vinkii Sleumer species accepted Azalea sinensis G.Lodd. species synonym Rhododendron vinicolor Sleumer species accepted Azalea simsii (Planch.) H.F.Copel. species synonym Rhododendron ×hannoense Nakai species proparte synonym Azalea simiarum (Hance) Kuntze species synonym Rhododendron hangzhouense W.P.Fang & M.Y.He species synonym Rhododendron villosum Roth species doubtful Azalea shepherdii (Nutt.) Kuntze species synonym Rhododendron villosulum J.J.Sm. species accepted Azalea setosa (D.Don) Kuntze species synonym Rhododendron hanceanum Hemsl. species accepted Azalea serrulata var. georgiana (Rehder) Ashe variety synonym Rhododendron hamondi hort. ex Lavallée, 1877 species accepted Rhododendron hameliiflorum Wernham species accepted Rhododendron ×victorianum (Cuvelier) Cuvelier species synonym Azalea serpyllifolia A.Gray species synonym Rhododendron ×halense Grembl. species synonym Azalea seniavini (Maxim.) Kuntze species synonym Rhododendron hainanense Merr. species accepted Azalea semibarbata (Maxim.) Kuntze species synonym Rhododendron viburnifolium W.P.Fang species synonym Azalea schlippenbachii (Maxim.) Kuntze species synonym Rhododendron haematophthalmum Sleumer species accepted Azalea scabrifolia (Franch.) Kuntze species synonym Rhododendron vestitum Tagg & Forrest species synonym Azalea scabra Lodd. ex A.Gray species synonym Rhododendron haematocheilum Craib species synonym Rhododendron vesiculiferum Tagg species accepted Azalea rubiginosa (Franch.) Kuntze species synonym Azalea rosmarinifolia Burm.fil. species synonym Rhododendron habrotrichum Balf.fil. & W.W.Sm. species accepted Rhododendron versteegii J.J.Sm. species accepted Azalea rosiflora Dean species synonym Rhododendron habbemae Koord. species accepted Azalea rosea Loisel. species synonym Rhododendron gymnomiscum Balf.fil. & Kingdon-Ward species synonym Rhododendron ×verruculosum Rehder & E.H.Wilson species accepted Rhododendron gymnogynum Balf.fil. & Forrest species synonym Rhododendron verruciferum W.K.Hu species accepted Rhododendron vernicosum Franch. species accepted Azalea rigida (Franch.) Kuntze species synonym Azalea rhombica (Miq.) Kuntze species synonym Rhododendron venosum Nutt. species synonym Azalea retusa (Blume) Kuntze species synonym Rhododendron gymnanthum Diels species synonym Rhododendron venator Tagg species doubtful Rhododendron guizhouense M.Y.Fang species accepted Azalea redowskiana (Maxim.) Kuntze species synonym Rhododendron vellereum Hutch. ex Tagg species accepted Azalea ×rawsonii (Loudon) Paxton species synonym Rhododendron guizhongense G.Z.Li species accepted Azalea ramentacea Lindl. species synonym Rhododendron guihainianum G.Z.Li species accepted Rhododendron veitchianum Hook. species accepted Azalea purpurea Dum.Cours. species synonym Rhododendron guangnanense R.C.Fang species accepted Rhododendron vaseyi f. album (Bean) Rehder form synonym Azalea ×punicea Sweet species synonym Rhododendron grothausii Davidian species synonym Azalea pumila (Hook.fil.) Kuntze species synonym Azalea pulchra Paxton species synonym Rhododendron griffithii Hook.f. species accepted Rhododendron ×variolosum Becc. species accepted Rhododendron griffithianum Wight species accepted Rhododendron vanvuurenii J.J.Sm. species accepted Rhododendron griersonianum Balf.fil. & Forrest species accepted Rhododendron gregarium Sleumer species synonym Azalea prolifera Poit. species synonym Rhododendron ×graveolens W.Bull species doubtful Rhododendron vandeursenii Sleumer species synonym Rhododendron gratiosum P.C.Tam species synonym Rhododendron vanderbiltianum Merr. species accepted Rhododendron grande Wight species accepted Rhododendron gracilipes Franch. species synonym Rhododendron vaccinioides Hook.fil. species accepted Rhododendron uwaense H.Hara & T.Yamanaka species accepted Azalea polyclada (Franch.) Kuntze species synonym Rhododendron gracilentum F.Muell. species accepted Azalea pittosporifolia (Hemsl.) Kuntze species synonym Rhododendron urophyllum W.P.Fang species accepted Azalea pilosa Michx. species synonym Rhododendron ×gowenianum Sweet species accepted Azalea ×phaenicea Planch. species synonym Rhododendron gorumense Schltr. species synonym Azalea periclymenoides var. rutilans (Aiton) Pursh variety synonym Rhododendron goreri Davidian species synonym Azalea periclymenoides var. polyandra Pursh variety synonym Rhododendron goodenoughii Sleumer species accepted Rhododendron ungernii Trautv. species accepted Azalea periclymenoides var. partita (Aiton) Pursh variety synonym Rhododendron gongshanense T.L.Ming species accepted Rhododendron gonggashanense W.K.Hu species accepted Rhododendron ungeonticum A.P.Khokhr. & Mazurenko species accepted Azalea periclymenoides var. coccinea (Aiton) Pursh variety synonym Rhododendron gnaphalocarpum Hayata species synonym Azalea periclymenoides var. carnea (Aiton) Pursh variety synonym Rhododendron undulaticalyx J.J.Sm. species synonym Azalea periclymenoides var. alba (Aiton) Pursh variety synonym Rhododendron glomerulatum Hutch. species synonym Rhododendron unciferum P.C.Tam species accepted Rhododendron gloeoblastum Balf.fil. & Forrest species synonym Rhododendron globigerum Balf.fil. & Forrest species synonym Rhododendron umbelliferum H.Lév. species synonym Azalea periclymena Pers. species synonym Rhododendron ultimum Wernham species accepted Azalea pentaphylla (Maxim.) H.F.Copel. species synonym Rhododendron glischrum subsp. glischroides (Tagg & Forrest) Chamb. subspecies synonym Rhododendron uliginosum J.J.Sm. species synonym Azalea ×pennsylvanica B.E.Harkn. species synonym Rhododendron glischroides Tagg & Forrest species accepted Azalea pendula (Hook.fil.) Kuntze species synonym Azalea parvifolia (Adams) Kuntze species synonym Rhododendron glaucum (Lam.) Sweet species heterotypic synonym Azalea pallida Turcz. species synonym Azalea ovata Lindl. species synonym Rhododendron tuhanensis Argent & T.J.Barkman species synonym Azalea oleifolia (Franch.) Kuntze species synonym Rhododendron glaucophyllum subsp. tubiforme (Cowan & Davidian) D.G.Long subspecies synonym Rhododendron tubulosum Ching ex W.Y.Wang species accepted Rhododendron glaucophyllum var. album Davidian variety synonym Rhododendron tubiforme (Cowan & Davidian) Davidian species accepted Rhododendron tubiflorum H.Low ex Lindl. species heterotypic synonym Azalea occidentalis Torr. & A.Gray species synonym Rhododendron glaucopeplum Balf.fil. & Forrest species synonym Azalea obtusa Lindl. species synonym Rhododendron glaucoaureum Balf.fil. & Forrest species synonym Rhododendron tuberculiferum J.J.Sm. species accepted Azalea oblongifolia Small species synonym Rhododendron glaucaenum Biswas species doubtful Rhododendron tuba Sleumer species accepted Rhododendron tsusiophyllum Sugim. species accepted Azalea nuttallii (Booth ex Nutt.) Kuntze species synonym Azalea nudiflora var. rutilans Aiton variety synonym Rhododendron glandulosum (Standl. ex Small) Millais species accepted Rhododendron tsoi Merr. species accepted Azalea nudiflora var. polyandra (Pursh) DC. variety synonym Rhododendron glandulostylum W.P.Fang & M.Y.He species synonym Rhododendron tsinlingense W.P.Fang ex J.Q.Fu species accepted Azalea nudiflora var. partita Aiton variety synonym Rhododendron glanduliferum Franch. species accepted Rhododendron tschonoskii f. roseotinctum Kurash., N.Kobay. & T.Yukawa form synonym Rhododendron ×gladwynense M.G.Henry species accepted Azalea nudiflora var. mixta DC. variety synonym Ledum tomentosum Stokes species synonym Rhododendron glabriflorum J.J.Sm. species accepted Rhododendron tsarongense Balf.fil. & Forrest species synonym Azalea nudiflora var. glandifera Porter variety synonym Ledum thymifolium Marshall species doubtful Rhododendron glabrifilum J.J.Sm. species accepted Rhododendron glabratum Hoppe species synonym Azalea nudiflora var. coccinea Aiton variety synonym Ledum subulatum (Nakai) A.P.Khokhr. & Mazurenko species synonym Rhododendron giulianettii Lauterb. species accepted Azalea nudiflora var. carnea Aiton variety synonym Ledum rosmarinifolium Starcs species synonym Rhododendron ×gilliardii Sleumer species accepted Ledum palustriforme A.P.Khokhr. & Mazurenko species synonym Rhododendron giganteum Forrest ex Tagg species synonym Rhododendron tsaii W.P.Fang species accepted Rhododendron truncicola Sleumer species accepted Azalea nudiflora var. canescens (Michx.) Rehder variety synonym Ledum palustre var. minus Nakai variety synonym Rhododendron gideonii Argent species accepted Rhododendron ×truncatulum Balf.fil. & Forrest species synonym Rhododendron gibsonii Paxton species synonym Rhododendron truncatovarium L.M.Gao & D.Z.Li species accepted Azalea nudiflora var. bicolor Aiton variety synonym Ledum palustre subsp. longifolium (Freyn) Kitag. subspecies synonym Rhododendron gibbsiae J.J.Sm. species synonym Rhododendron triumphans Yersin & A.Chev. species accepted Azalea nudiflora f. alba Aiton form synonym Rhododendron germanicum Hoppe species synonym Rhododendron geraldii (Franch.) D.F.Chamb. species doubtful Rhododendron trispidum Torr. species accepted Rhododendron genestierianum Forrest species accepted Rhododendron gemmiferum M.N.Philipson & Philipson species accepted Rhododendron trinerve Franch. ex Boissieu species accepted Ledum palustre f. denudatum (Vict. & J.Rousseau) B.Boivin form synonym Rhododendron trilectorum Cowan species accepted Azalea nivea (Hook.fil.) Kuntze species synonym Ledum palustre f. decumbens (Aiton) Y.L.Chou & S.L.Tung form synonym Rhododendron gaultheriifolium J.J.Sm. species accepted Rhododendron gardenia Schltr. species accepted Azalea nitida Pursh species synonym Rhododendron gannanense Z.C.Feng species accepted Rhododendron ×tricolor Sweet species doubtful Rhododendron ×gandavense var. plenum Rehder variety synonym Rhododendron trichostomum Franch. species accepted Azalea nipponica (Matsum.) H.F.Copel. species synonym Rhododendron trichopodum Balf.fil. & Forrest species synonym Rhododendron ×trichophorum Balf.fil. species accepted Azalea neglecta Ashe species synonym Ledum palustre subsp. angustissimum Vorosch. subspecies synonym Rhododendron trichophlebium Balf.fil. & Forrest species synonym Ledum palustre var. angustifolium Hook. variety synonym Rhododendron trichomiscum Balf.fil. & Forrest species synonym Azalea narcissiflora Fortune ex Planch. species synonym Rhododendron galioides J.J.Sm. species synonym Rhododendron trichogynum L.C.Hu species accepted Azalea myrtifolia Champ. species synonym Rhododendron trichocladum subsp. nepalense H.Hara subspecies synonym Azalea multiflora Turcz. ex DC. species synonym Rhododendron fuyuanense Zheng H.Yang species accepted Azalea multicolor (Miq.) Kuntze species synonym Rhododendron fuscipilum M.Y.He species accepted Rhododendron trichocalyx Ingram species synonym Azalea mucronata Blume species synonym Rhododendron ×furbishii (W.P.Lemmon & Mc Kay) Leach species accepted Rhododendron trichanthum Sleumer species heterotypic synonym Ledum pacificum Small species synonym Azalea moulmeinensis (Hook.) Kuntze species synonym Rhododendron ×transiens Nakai species accepted Azalea ×mortieriana Spae species synonym Ledum nipponicum (Nakai) Tolm. species synonym Rhododendron traillianum Forrest & W.W.Sm. species accepted Ledum maximum (Nakai) A.P.Khokhr. & Mazurenko species synonym Rhododendron toxopei J.J.Sm. species accepted Azalea mollis Blume species synonym Ledum macrophyllum Tolm. species synonym Ledum latifolium var. palustre Alph.Wood variety synonym Azalea minor (Michx.) Kuntze species synonym Ledum latifolium var. canadense (G.Lodd.) DC. variety synonym Rhododendron toverenae F.Muell. species synonym Rhododendron tosaense f. duplex T.Yamaz. form synonym Azalea microphyton (Franch.) Kuntze species synonym Rhododendron tosaense f. albiflorum T.Yamaz. form synonym Azalea micrantha (Turcz.) Kuntze species synonym Ledum hypoleucum Kom. species synonym Rhododendron fulgens Hook.fil. species accepted Azalea mariesii (Hemsl. & E.H.Wilson) H.F.Copel. species synonym Rhododendron fuchsioides Schltr. species synonym Rhododendron torricellense Schltr. species synonym Azalea mariae (Hance) Kuntze species synonym Ledum groenlandicum f. denudatum Vict. & J.Rousseau form synonym Rhododendron fuchsiifolium H.Lév. species accepted Rhododendron torquescens D.F.Chamb. species accepted Ledum groenlandicum var. aridiphilum D.Löve variety synonym Rhododendron fuchsiiflorum H.Lév. species synonym Azalea malayana (Jack) Kuntze species synonym Rhododendron ×fuchsii Sleumer species accepted Azalea makinoi (Tagg ex Nakai) Makino species synonym Rhododendron frey-wysslingii J.J.Sm. species accepted Rhododendron torkonianum hort. ex Lavallée, 1877 species accepted Azalea maddenii (Hook.fil.) Kuntze species synonym Rhododendron franssenianum J.J.Sm. species synonym Rhododendron tomentosum subsp. subarcticum (Harmaja) G.D.Wallace subspecies synonym Azalea macrostemon (Maxim.) Kuntze species synonym Azalea macrosepala (Maxim.) Kuntze species synonym Ledum graveolens Gilib. species synonym Rhododendron fragrans Franch. species heterotypic synonym Azalea macrophylla (D.Don ex G.Don) Kuntze species synonym Azalea macrocarpa (Griff.) Kuntze species synonym Rhododendron tolmachevii Harmaja species accepted Azalea macrantha Bunge species synonym Rhododendron fragariflorum Kingdon-Ward species accepted Rhododendron tintinnabellum Danet species accepted Rhododendron tingwuense P.C.Tam species accepted Rhododendron foveolatum Rehder & E.H.Wilson species synonym Azalea lugens Dum.Cours. species synonym Rhododendron fortunei var. kwangfuense (Chun & W.P.Fang) G.Z.Li variety synonym Rhododendron timeteum Balf.fil. & Forrest species synonym Rhododendron fortunei subsp. discolor (Franch.) D.F.Chamb. subspecies synonym Rhododendron tigrinum Steud. species synonym Azalea lucida (Franch.) Kuntze species heterotypic synonym Rhododendron tiantangense G.Z.Li species synonym Rhododendron tianmenshanense C.L.Peng & L.H.Yan species accepted Azalea lochae (F.Muell.) Kuntze species synonym Rhododendron fortunans J.J.Sm. species accepted Rhododendron tianlinense P.C.Tam species accepted Azalea linearifolia (Siebold & Zucc.) Kuntze species synonym Ledum dilatatum Rupr. species synonym Ledum decumbens (Aiton) Lodd. ex Steud. species synonym Rhododendron thyodocum Balf.fil. & Cooper species synonym Rhododendron thymifolium Maxim. species accepted Rhododendron formosum var. johnstoneanum Brandis variety synonym Rhododendron thunbergii Planch. species synonym Azalea leptocarpa (Nutt.) Kuntze species synonym Azalea lepidota (Wall. ex G.Don) Kuntze species synonym Ledum canadense G.Lodd. species synonym Azalea ledifolia Hook. species synonym Rhododendron thomsonii subsp. candelabrum (Hook.fil.) D.F.Chamb. subspecies synonym Azalea ×lateritia (Lindl.) Lavallée species synonym Ledum californicum Kellogg species synonym Rhododendron formosanum Hemsl. species accepted Rhododendron fordii Hemsl. species synonym Rhododendron fongkaiense C.N.Wu & P.C.Tam species synonym Rhododendron theiochroum Balf.fil. & W.W.Sm. species synonym Rhododendron fokienense Franch. species synonym Rhododendron thayerianum Rehder & E.H.Wilson species accepted Azalea lanata (Hook.fil.) Kuntze species synonym Rhododendron flumineum W.P.Fang & M.Y.He species accepted Rhododendron thaumasianthum Sleumer species accepted Azalea lamponga (Miq.) Kuntze species synonym Rhododendron flosculum W.P.Fang & G.Z.Li species accepted Rhododendron tetramerum (Makino) Nakai species accepted Azalea lactea (Franch.) Kuntze species synonym Diplarche pauciflora Hook.fil. & Thomson species synonym Diplarche multiflora Hook.fil. & Thomson species synonym Rhododendron camtschaticum var. cantschaticum Pall. variety synonym Rhododendron tomentosum subsp. subacrticum (Harmaja) G.Wallace subspecies synonym Rhododendron ×vanhoeffeni Abrom. species accepted Rhododendron tomentosum subsp. decumbens (Aiton) Elven & D.F.Murray subspecies synonym Rhododendron ×arendsii Arends species accepted Rhododendron wallichii Hook.fil. species synonym Rhododendron lanatum Hook.fil. species accepted Rhododendron wightii Hook.fil. species accepted Rhododendron aucklandii Hook.fil. species synonym Rhododendron araliiforme Balf. & Forrest ex Balf.fil. species synonym Rhododendron albertsenianum Forrest ex Balf.fil. species accepted Rhododendron hodgsonii Hook.fil. species accepted Rhododendron niveum Hook.fil. species accepted Rhododendron smirnowii Trautv. species accepted Ledum palustre subsp. diversipilosum (Nakai) H.Hara subspecies synonym Rhododendron ×fragrantissimum Burb. ex Rehder species accepted Rhododendron camelliiflorum Hook.fil. species accepted Rhododendron hansemannii Warb. species synonym Rhododendron culminicola F.Muell. species accepted Rhododendron ericoides H.Low ex Hook.fil. species accepted Rhododendron obtusum var. kaempferi (Planch.) E.H.Wilson variety synonym Rhododendron kanehirae E.H.Wilson species accepted Rhododendron nakaharae Hayata species accepted Rhododendron oldhamii Maxim. species accepted Rhododendron mucronatum var. ripense (Makino) E.H.Wilson variety synonym Rhododendron ×azaleodendron M.Vilm. & Bois species accepted Menziesia pilosa (Michx. ex Lam.) Juss. species synonym Menziesia ferruginea Sm. species synonym Menziesia glabella A.Gray species synonym Menziesia ferruginea subsp. glabella (A.Gray) Calder & Roy L.Taylor subspecies synonym Rhododendron floribundum Franch. species accepted Rhododendron tephropeplum Balf.fil. & Forrest species accepted Azalea ×kosteriana (C.K.Schneid.) Moldenke species synonym Rhododendron tenuilaminare P.C.Tam species accepted Azalea kiyosumensis Makino species synonym Rhododendron tenuifolium R.C.Fang & S.H.Huang species accepted Azalea keysii (Nutt.) Kuntze species synonym Rhododendron flinckii Davidian species synonym Rhododendron tenue Ching ex W.P.Fang & M.Y.He species synonym Azalea kendrickii (Nutt.) Kuntze species synonym Rhododendron fleuryi Dop ex A.Chev. species accepted Azalea keiskei (Miq.) Kuntze species synonym Rhododendron fletcherianum Davidian species accepted Azalea kamtschatica (Pall.) Kuntze species synonym Azalea jodogawa Hassk. species synonym Azalea javanica Blume ex DC. species synonym Rhododendron flavoviride J.J.Sm. species accepted Rhododendron telmateium Balf.fil. & W.W.Sm. species accepted Rhododendron flavoflorum T.L.Ming species accepted Rhododendron ×tectum Koidz. species synonym Rhododendron flaviflorum Elmer ex Merr. species synonym Rhododendron ×tebotan Komatsu species synonym Azalea jammea Pritz. species synonym Rhododendron flavidum Franch. species accepted Rhododendron ×taylorii H.J.Veitch species accepted Rhododendron flavantherum Hutch. & Kingdon-Ward species accepted Rhododendron taxoides J.J.Sm. species accepted Azalea indica-alba Lindl. species synonym Rhododendron taxifolium Merr. species accepted Azalea indica L. species synonym Rhododendron tawangensis K.C.Sahni & H.B.Naithani species doubtful Azalea hypoglauca (Hemsl.) Kuntze species synonym Rhododendron ×fittianum Balf.fil. species accepted Rhododendron ×tatuoi Nakai ex H.Hara species accepted Azalea hookeri (Nutt.) Kuntze species synonym Azalea hodgsonii (Hook.fil.) Kuntze species synonym Rhododendron fimbriatum Hutch. species synonym Azalea hispida Pursh species synonym Rhododendron ×filidactylis R.I.Milne species accepted Rhododendron filamentosum Wernham species synonym Azalea hirsuta (L.) Kuntze species synonym Rhododendron fictolacteum var. miniforme Davidian variety synonym Azalea henryi (Hance) Kuntze species synonym Rhododendron taronense Hutch. species accepted Azalea heliolepis (Franch.) Kuntze species synonym Azalea hanceana (Hemsl.) Kuntze species synonym Rhododendron taquetii H.Lév. species synonym Rhododendron fauriae Franch. species doubtful Rhododendron tapetiforme Balf.fil. & Kingdon-Ward species accepted Azalea griffithiana (Wight) Kuntze species synonym Rhododendron faucium D.F.Chamb. species accepted Rhododendron tapelouense H.Lév. species synonym Azalea grandis (Wight) Kuntze species synonym Rhododendron ×fastigifolium (W.P.Lemmon) H.H.Hume species synonym Rhododendron tapeinum Balf.fil. & Farrer species synonym Azalea glauca var. hispida (Pursh) Heynh. variety synonym Rhododendron tanastylum var. pennivenium (Balf.fil. & Forrest) D.F.Chamb. variety synonym Rhododendron florulentum P.C.Tam species synonym Rhododendron fastigiatum Franch. species accepted Rhododendron farrerae Sweet species accepted Rhododendron farinosum H.Lév. species accepted Rhododendron tanakae (Maxim.) Ohwi species heterotypic synonym Azalea ×gandavensis K.Koch species synonym Rhododendron fangchengense P.C.Tam species accepted Rhododendron tamurai (Makino) Masam. species accepted Rhododendron fallacinum Sleumer species accepted Rhododendron taliense Franch. species accepted Azalea furbishii W.P.Lemmon & Mc Kay species synonym Rhododendron falconeri subsp. eximium (Nutt.) D.F.Chamb. subspecies synonym Rhododendron takeuchii Argent species accepted Rhododendron ×takanashianum Sugim. species synonym Rhododendron falcinellum P.C.Tam species synonym Rhododendron taiwanianum S.S.Ying species synonym Azalea fulgens (Hook.fil.) Kuntze species synonym Rhododendron faithae Chun, 1934 species accepted Rhododendron taiwanalpinum Ohwi species accepted Azalea fragrans Raf. species heterotypic synonym Rhododendron facium D.F.Chamb. species accepted Rhododendron taitungalpinum S.S.Ying species doubtful Rhododendron facetum Balf.fil. & Kingdon-Ward species accepted Rhododendron taishunense B.Y.Ding & Y.Y.Fang species accepted Azalea fortunei (Lindl.) Kuntze species synonym Rhododendron faberioides Balf.fil. species synonym Rhododendron taipaoense T.C.Wu & P.C.Tam species accepted Azalea formosa (Wall.) Kuntze species synonym Cladothamnus campanulatus Greene species synonym Azalea flava Hoffmanns. species synonym Rhododendron faberi subsp. prattii (Franch.) D.F.Chamb. subspecies synonym Rhododendron taiense Hutch. species accepted Azalea fimbriata Dum.Cours. species synonym Rhododendron eymae Sleumer species accepted Rhododendron taichungianum S.S.Ying species doubtful Azalea ferruginosa Pall. species synonym Rhododendron exuberans (Sleumer) Argent species accepted Rhododendron taibaiense Ching & H.P.Yang species accepted Azalea ferruginea (L.) Kuntze species synonym Rhododendron extrorsum J.J.Sm. species accepted Rhododendron taggianum Hutch. species accepted Azalea ×fastigifolia W.P.Lemmon species synonym Rhododendron exquisitum Hutch. species heterotypic synonym Rhododendron syringoideum Sleumer species accepted Azalea fastigiata (Franch.) Kuntze species synonym Rhododendron eximium Nutt. species synonym Azalea farrerae (Sweet) Kuntze species synonym Rhododendron excelsum A.Chev. species accepted Rhododendron sycnanthum Balf.fil. & W.W.Sm. species synonym Rhododendron excellens Hemsl. & E.H.Wilson species accepted Rhododendron sutchuenense Franch. species accepted Rhododendron exasperatum Tagg species accepted Rhododendron surasianum Balf.fil. & Craib species synonym Azalea faberi (Hemsl.) Kuntze species synonym Rhododendron supranubium Hutch. species synonym Azalea elliptica (Maxim.) Kuntze species synonym Rhododendron evelyneae Danet species accepted Azalea edgeworthii (Hook.fil.) Kuntze species synonym Rhododendron eurysiphon Tagg & Forrest species accepted Azalea dilatata (Miq.) Hook.f. species synonym Rhododendron euonymifolium H.Lév. species synonym Rhododendron sumatranum Merr. species accepted Azalea dianthiflora Carrière species synonym Rhododendron sulfureum Franch. species accepted Azalea delavayi (Franch.) Kuntze species synonym Rhododendron sugaui Argent species accepted Azalea degroniana (Carrière) Makino species synonym Rhododendron succothii Davidian species accepted Azalea decumbens (D.Don ex G.Don) DC. species synonym Rhododendron subulosum J.J.Sm. ex Sleumer species accepted Rhododendron euchroum Balf.fil. & Kingdon-Ward species accepted Rhododendron subuliferum Sleumer species accepted Rhododendron subulatum (Nakai) Harmaja species accepted Azalea daurica (L.) Kuntze species synonym Rhododendron ×eucallum Balf.fil. & Forrest species synonym Rhododendron subsessile Rendle species accepted Azalea danielsiana Paxton species synonym Rhododendron euanthum Balf.fil. & W.W.Sm. species synonym Rhododendron subpacificum Sleumer species accepted Azalea dahurica (L.) K.Koch species synonym Rhododendron esetulosum Balf.fil. & Forrest species accepted Rhododendron ×erythrocalyx Balf.fil. & Forrest species accepted Rhododendron subflumineum P.C.Tam species accepted Azalea crocea (Michx.) Hoffmanns. species synonym Rhododendron subestipitatum Chun ex P.C.Tam species accepted Azalea crispiflora Hook. species synonym Rhododendron erosum Cowan species accepted Azalea crassa (Franch.) Kuntze species synonym Rhododendron erosipetalum J.J.Sm. species accepted Azalea concinna (Hemsl.) Kuntze species synonym Rhododendron eritimum Balf.fil. & W.W.Sm. species synonym Azalea citrina (Hassk.) Kuntze species synonym Rhododendron eriogynum Balf.fil. & W.W.Sm. species synonym Azalea ciliicalyx (Franch.) Kuntze species synonym Rhododendron eriocarpum (Hayata) Nakai species accepted Azalea ciliata (Hook.fil.) Kuntze species synonym Rhododendron erileucum Balf.fil. & Forrest species synonym Rhododendron subcrenulatum Sleumer species accepted Azalea chinensis Steud. species synonym Rhododendron eriandrum H.Lév. ex Tagg species synonym Rhododendron erastum Balf.fil. & Forrest species accepted Rhododendron subcerinum P.C.Tam species accepted Rhododendron subarcticum Harmaja species synonym Azalea championae (Hook.) Kuntze species synonym Azalea cephalantha (Franch.) Kuntze species synonym Rhododendron subansiriense Chamb. & Cox species accepted Azalea celebica Blume ex DC. species synonym Rhododendron epapillatum Balf.fil. & Cooper species synonym Azalea caucasica (Pall.) Kuntze species synonym Rhododendron ×enomotoi T.Yamaz. species accepted Azalea catawbiensis (Michx.) Kuntze species synonym Rhododendron ×enneandrum DC. species accepted Rhododendron englerianum Koord. species accepted Rhododendron strigosum R.L.Liu species accepted Rhododendron ×emasculum W.Watson species synonym Azalea capitata (Maxim.) Kuntze species synonym Rhododendron emarginatum var. eriocarpum K.M.Feng variety synonym Azalea canescens var. candida (Small) Ashe variety synonym Rhododendron stresemannii J.J.Sm. species accepted Rhododendron emaculatum Balf.fil. & Forrest species synonym Rhododendron stonori Sleumer species synonym Rhododendron ellipticum var. leptosanthum (Hayata) S.S.Ying variety synonym Rhododendron stolleanum Schltr. species accepted Rhododendron stewartianum Diels species accepted Rhododendron elliottii Watt et al. species doubtful Rhododendron stevensianum Sleumer species accepted Rhododendron elegantulum Tagg & Forrest species accepted Rhododendron stereophyllum Balf.fil. & W.W.Sm. species synonym Azalea campylogyna (Franch.) Kuntze species synonym Rhododendron elegans Ridl. species synonym Rhododendron stenoplastum Balf.fil. & Forrest species synonym Rhododendron elaeagnoides Hook.fil. species synonym Azalea campanulata (D.Don) Kuntze species synonym Rhododendron eheinense M.Y.He & Z.J.Zhao species accepted Rhododendron edgeworthii Hook.fil. species accepted Azalea calycina Lem. species synonym Rhododendron edgarii Gamble species synonym Rhododendron stenopetalum (R.Hogg) Mabb. species accepted Azalea californica (Hook.) Torr. & A.Gray ex Durand species heterotypic synonym Rhododendron ×edgarianum Rehder & E.H.Wilson species accepted Rhododendron stenaulum Balf.fil. & W.W.Sm. species synonym Rhododendron stelligerum Sleumer species accepted Rhododendron stapfianum Hemsl. ex Prain species accepted Rhododendron eclecteum Balf.fil. & Forrest species accepted Rhododendron ×standishii Paxton species accepted Rhododendron ebianense M.Y.Fang species accepted Azalea calendulacea var. flammea Michx. variety synonym Azalea calendulacea var. crocea Michx. variety synonym Rhododendron eastmanii Kron & Creel species accepted Rhododendron squarrosum Balf.fil. species synonym Rhododendron dutartrei Danet species accepted Rhododendron spondylophyllum F.Muell. species accepted Azalea burgeri Miq. species synonym Rhododendron spodopeplum Balf.fil. & Farrer species synonym Azalea bureaui (Franch.) Kuntze species synonym Rhododendron splendens hort. ex Lavallée, 1877 species accepted Azalea bullata (Franch.) Kuntze species heterotypic synonym Rhododendron ×spinulosum Hadden species doubtful Rhododendron dumicola Tagg & Forrest species accepted Rhododendron ×duclouxii H.Lév. species accepted Rhododendron spinigerum H.Lév. species synonym Rhododendron dubium King & Gamble species synonym Rhododendron spilotum Balf.fil. & Farrer species accepted Azalea boothii (Nutt.) Kuntze species synonym Rhododendron dryophyllum Balf.fil. & Forrest species synonym Rhododendron spilanthum Hutch. species synonym Azalea bicolor (Aiton) Pursh species synonym Rhododendron drumonium Balf.fil. & Kingdon-Ward species synonym Rhododendron spiciferum var. album K.M.Feng variety synonym Azalea bealei Fortune ex K.Koch species synonym Azalea barbata (Wall. ex G.Don) Kuntze species synonym Rhododendron doctersii J.J.Sm. species synonym Azalea balsaminiflora Carrière species synonym Rhododendron sphaeranthum Balf.fil. & W.W.Sm. species synonym Azalea ×bakeri W.P.Lemmon & Mc Kay species synonym Rhododendron diversipilosum (Nakai) Harmaja species accepted Rhododendron sperabiloides Tagg & Forrest species accepted Rhododendron sperabile Balf.fil. & Farrer species accepted Rhododendron discolor Franch. species accepted Rhododendron ×diphrocalyx Balf.fil. species accepted Azalea auriculata (Hemsl.) Kuntze species synonym Rhododendron dimitrum Balf.fil. & Forrest species accepted Rhododendron spathulatum Ridl. species accepted Azalea aurantiaca F.Dietr. species synonym Rhododendron ×dimidiatum Balf.fil. species synonym Rhododendron sparsifolium W.P.Fang species accepted Rhododendron sparsiflorum Nutt species synonym Azalea aucubifolia (Hemsl.) Kuntze species synonym Rhododendron spanotrichum Balf.fil. & W.W.Sm. species accepted Azalea atrovirens (Franch.) Kuntze species synonym Rhododendron spadiceum P.C.Tam species synonym Azalea atlantica var. luteoalba Coker variety synonym Rhododendron souliei Franch. species accepted Rhododendron dignabile Cowan species accepted Rhododendron sororium Sleumer species accepted Azalea arborescens var. richardsonii Ashe variety synonym Rhododendron dielsianum Schltr. species accepted Rhododendron sordidum Hutch. species synonym Rhododendron sonomense Greene species synonym Azalea arborea Barton ex Pursh species synonym Rhododendron ×sochadzeae Char. & Davlian. species accepted Azalea anthopogonodes (Maxim.) Kuntze species synonym Azalea ×amoena Lindl. species proparte synonym Rhododendron smilesii Hutch. species synonym Rhododendron dianthosmum Sleumer species accepted Rhododendron sleumeri Gilli species synonym Azalea albrechtii (Maxim.) Kuntze species synonym Rhododendron dianthiflorum (Carrière) Millais species synonym Rhododendron ×sinosimulans D.F.Chamb. species accepted Azalea albiflora (Hook.) Kuntze species synonym Rhododendron diacritum Balf.fil. & W.W.Sm. species synonym Rhododendron sinonuttallii Balf.fil. & Forrest species synonym Rhododendron devrieseanum Koord. species synonym Rhododendron sinolepidotum Balf.fil. species synonym Azalea ×albicans (Waterer ex Zabel) Moldenke species synonym Rhododendron detzneranum Sleumer species accepted Rhododendron sinogrande Balf.fil. & W.W.Sm. species accepted Azalea alba Sweet species synonym Rhododendron ×detonsum Balf.fil. & Forrest species accepted Rhododendron detersile Franch. species accepted Rhododendron desquamatum Balf.fil. & Forrest species synonym Rhododendron sinense f. flavum Miyoshi form synonym Rhododendron depile Balf.fil. & Forrest species synonym Rhododendron denudatum H.Lév. species accepted Rhododendron simulans (Tagg & Forrest) D.F.Chamb. species heterotypic synonym Rhododendron dentampullum Chun ex P.C.Tam species synonym Rhododendron densifolium K.M.Feng species accepted Rhododendron simsii var. yakuinsulare (Masam.) T.Yamaz. variety synonym Rhododendron dendrocharis Franch. species accepted Rhododendron simsii var. strigosistylum G.Z.Li variety synonym Rhododendron dendritrichum Balf.fil. & Forrest species synonym Rhododendron simsii var. albiflorum R.L.Liu variety synonym Rhododendron dendricola Hutch. species accepted Rhododendron delicatulum Sleumer species accepted Rhododendron simiarum subsp. youngae (W.P.Fang) D.F.Chamb. subspecies synonym Rhododendron deleiense Hutch. & Kingdon-Ward species synonym Rhododendron simiarum var. deltoideum P.C.Tam variety synonym Rhododendron silvaticum Cowan species synonym Rhododendron ×sikkimense Pradhan & Lachungpa species doubtful Rhododendron dekatanum Cowan species accepted Rhododendron solitarium Sleumer species accepted Rhododendron degronianum subsp. yakushimanum (Nakai) H.Hara subspecies synonym Rhododendron sikayotaizanense Masam. species accepted Rhododendron sieboldii Miq. species synonym Rhododendron siderophyllum Franch. species accepted Rhododendron degronianum var. heptamerum (Maxim.) Sealy ex Davidian variety synonym Rhododendron sidereum Balf.fil. species accepted Rhododendron sichotense Pojark. species accepted Rhododendron siamensis Diels species synonym Rhododendron shweliense Balf.fil. & Forrest species accepted Rhododendron shojoense Hayata species synonym Rhododendron shiwandashanense P.C.Tam species synonym Rhododendron decumbens D.Don ex G.Don species synonym Rhododendron shimidzuanum Honda ex Makino & Nemoto species synonym Rhododendron shimianense W.P.Fang & P.S.Liu species synonym Rhododendron shimenense Q.X.Liu & C.M.Zhang species accepted Rhododendron shikokianum Makino species synonym Rhododendron declivatum Ching & H.P.Yang species accepted Rhododendron sherriffii Cowan species accepted Rhododendron ×decipiens Lacaita species accepted Rhododendron shepherdii Nutt. species synonym Rhododendron sheltonae Hemsl. & E.H.Wilson, 1910 species accepted Rhododendron ×sheilae Sleumer species accepted Rhododendron dayiense M.Y.He species accepted Rhododendron shanii W.P.Fang species accepted Rhododendron dayaoshanense L.M.Gao & D.Z.Li species accepted Iposues obovata Raf. species synonym Rhododendron dawuense H.P.Yang species accepted Rhododendron ×seymourii Herb. ex Otto & Dietr. species accepted Rhododendron ×davisianum R.I.Milne species accepted Rhododendron setosum D.Don species accepted Rhododendron davisii Koehne species synonym Rhododendron setiferum Balf.fil. & Forrest species accepted Rhododendron davidsonianum Rehder & E.H.Wilson species accepted Rhododendron ×sesterianum G.Nicholson species doubtful Rhododendron davidi Franch. species accepted Rhododendron sessilifolium J.J.Sm. species accepted Rhododendron dauricum subsp. mucronulatum (Turcz.) Vorosch. subspecies synonym Rhododendron serrulatum f. mollicum Rehder form synonym Rhododendron dauricum f. albiflorum (Turcz.) C.F.Fang form synonym Rhododendron serrulatum var. georgianum Rehder variety synonym Rhododendron dasypetalum Balf.fil. & Forrest species accepted Rhododendron serpyllifolium f. usukiunzen T.Yamaz. form synonym Rhododendron dasylepis Schltr. species synonym Rhododendron serpyllifolium f. seigaiunzen T.Yamaz. form synonym Rhododendron serpyllifolium f. album T.Yamaz. form synonym Rhododendron dasycladoides Hand.-Mazz. species accepted Rhododendron daphnoides hort. ex Lavallée, 1877 species accepted Rhododendron serpens Balf.fil. & Forrest species synonym Rhododendron daphniflorum Diels species synonym Rhododendron danielsianum Planch. species synonym Rhododendron danbaense L.C.Hu species accepted Rhododendron seranicum J.J.Sm. species accepted Rhododendron damascenum Balf.fil. & Forrest species synonym Rhododendron seranense J.J.Sm. species synonym Chamaerhododendron hirsutum (L.) Bubani species synonym Rhododendron seniavinii var. crassifolium P.C.Tam variety synonym Chamaerhododendron ferrugineum (L.) Bubani species synonym Rhododendron daiyunicum P.C.Tam species synonym Rhododendron semnoides Tagg & Forrest species accepted Rhododendron daiyuenshanicum P.C.Tam species synonym Rhododendron dahuricum L. ex Dippel species doubtful Rhododendron semibarbatum Maxim. species accepted Rhododendron dachengense var. scopulum G.Z.Li variety synonym Rhododendron selense subsp. setiferum (Balf.fil. & Forrest) D.F.Chamb. subspecies synonym Rhododendron cyrtophyllum Wernham species accepted Rhododendron ×cymbomorphum Balf.fil. & Forrest species synonym Rhododendron cyclium Balf.fil. & Forrest species synonym Rhododendron cyatheicola Sleumer species synonym Rhododendron sekidera Komatsu species synonym Rhododendron cuthbertii Small species synonym Rhododendron seinghkuense Kingdon-Ward species accepted Rhododendron seimundii J.J.Sm. species accepted Rhododendron cuspidellum Sleumer species accepted Rhododendron curvistylum Hutch. & Kingdon-Ward species accepted Rhododendron searsiae Rehder & E.H.Wilson species accepted Rhododendron curviflorum J.J.Sm. species accepted Rhododendron searleanum Sleumer species accepted Rhododendron curtisii T.Moore species synonym Rhododendron curranii Merr. species synonym Rhododendron cuprescens Nitz. species synonym Rhododendron scottiatum Hutch. species synonym Rhododendron scortechinii King & Gamble species accepted Rhododendron scopulorum Hutch. ex Hutch. species accepted Rhododendron sclerocladum Balf.fil. & Forrest species synonym Azalea amagiana Makino species synonym Rhododendron cuneatum W.W.Sm. species accepted Rhododendron scintillans Balf.fil. & W.W.Sm. species synonym Rhododendron sciaphilum Balf.fil. & Kingdon-Ward species synonym Rhododendron schultzei Schltr. species synonym Rhododendron ×schoddei Sleumer species accepted Rhododendron cuffeanum Craib ex Hutch. species accepted Rhododendron schlippenbachii f. albiflorum Y.N.Lee form synonym Hymenanthes maxima (L.) H.F.Copel. species synonym Rhododendron cubittii Hutch. species synonym Rhododendron schlechteri Lauterb. species accepted Rhododendron cruttwellii Sleumer species accepted Rhododendron schizostigma Sleumer species accepted Hymenanthes macrophylla f. alba (Rehder) H.F.Copel. form synonym Rhododendron cruentum H.Lév. species synonym Rhododendron ×crouxii f. plenum Rehder form synonym Rhododendron schistocalyx Balf.fil. & Forrest species accepted Tsusiophyllum tanakae Maxim. species synonym Rhododendron scarlatinum Sleumer species accepted Rhododendron scabrum var. yakuinsulare (Masam.) T.Yamaz. variety synonym Hymenanthes japonica Blume species synonym Rhododendron croceum Balf.fil. & W.W.Sm. species synonym Hymenanthes griersoniana (Balf.fil. & Forrest) H.F.Copel. species synonym Rhododendron crispiflorum (Hook.) Planch. species synonym Rhododendron crinigerum Franch. species accepted Hymenanthes catawbiensis (Michx.) H.F.Copel. species synonym Rhododendron cretaceum P.C.Tam species accepted Rhododendron crenulatum Hutch. ex Sleumer species accepted Rhododendron scabrifolium var. spiciferum (Franch.) Cullen variety synonym Rhododendron crenatum H.Lév. species synonym Hymenanthes californica (Hook.) H.F.Copel. species synonym Rhododendron cremnophilum Balf.fil. & W.W.Sm. species synonym Rhododendron scabridibracteum Sleumer species accepted Rhododendron cremnastes Balf.fil. & Farrer species synonym Rhododendron sayeri Sleumer species accepted Rhododendron cremastum Balf.fil. & Forrest species synonym Rhododendron saxifragoides J.J.Sm. species accepted Rhododendron crebreflorum Hutch. & Kingdon-Ward species synonym Rhododendron saxicola Sleumer species accepted Rhododendron saxatile B.Y.Ding & Y.Y.Fang species accepted Rhododendron crassum Franch. species accepted Rhododendron sataense Nakai species synonym Rhododendron crassistylum M.Y.He species accepted Rhododendron crassinervium Ridl. species synonym Rhododendron saruwagedicum F.Först. species synonym Rhododendron crassimedium P.C.Tam species accepted Rhododendron sargentianum Rehder & E.H.Wilson species accepted Rhododendron coxianum Davidian species accepted Rhododendron ×sarcodes Argent & Madulid species accepted Rhododendron cowanianum Davidian species accepted Rhododendron saravanense Dop species synonym Rhododendron costulatum Franch. species synonym Rhododendron santapaui Sastry, Kataki, Pet.A.Cox, Pat.Cox & Hutchison species accepted Rhododendron sanidodeum P.C.Tam species synonym Rhododendron coryphaeum Balf.fil. & Forrest species synonym Rhododendron sanguineum var. sanguineoides (Cowan) Davidian variety synonym Rhododendron coryanum Tagg & Forrest species accepted Rhododendron coruscum Ridl. species synonym Rhododendron correoides J.J.Sm. species accepted Rhododendron cornu-bovis Sleumer species accepted Rhododendron ×coriifolium Sleumer species accepted Rhododendron coriaceum Franch. species accepted Rhododendron sanctum f. albiflorum T.Yamaz. form synonym Rhododendron cordatum H.Lév. species synonym Rhododendron cooperi Balf.fil. species synonym Rhododendron coombense Hemsl. species synonym Rhododendron salmoneum Vilmorin species doubtful Hochenwartia canadensis (L.) Crantz species synonym Rhododendron convexum Sleumer species synonym Rhododendron salignum Hook.fil. species synonym Rhododendron coniferum Wernham species synonym Rhododendron salicifolium Becc. species accepted Rhododendron confertissimum Nakai species synonym Rhododendron concinnum Hemsl. species accepted Rhododendron sakawanum Makino species synonym Rhododendron concinnoides Hutch. & Kingdon-Ward species accepted Rhododendron saisiuense Nakai species synonym Rhododendron saavedranum Diels species synonym Rhododendron ruttenii J.J.Sm. species accepted Rhododendron comptum C.H.Wright species accepted Rhododendron complexum Balf.fil. & W.W.Sm. species accepted Rhododendron ×russelianum Sweet species accepted Rhododendron comparabile Sleumer species accepted Rhododendron russatum Balf.fil. & Forrest species accepted Rhododendron compactum Hutch. species synonym Rhododendron rushforthii Argent & D.Chamb. species accepted Rhododendron commutatum Sleumer species accepted Rhododendron rupivalleculatum P.C.Tam species accepted Rhododendron commonae F.Först. species accepted Rhododendron commodum Balf.fil. & Forrest species synonym Rhododendron comisteum Balf.fil. & Forrest species accepted Rhododendron columbianum (Piper) Harmaja species accepted Rhododendron colletum Balf.fil. & Forrest species synonym Rhododendron collettianum Aitch. & Hemsl. species accepted Rhododendron coenenii J.J.Sm. species synonym Rhododendron rufum var. pachysanthum (Hayata) S.S.Ying variety synonym Rhododendron coelorum Wernham species accepted Rhododendron rufum var. glandulosum G.H.Wang variety synonym Rhododendron coeloneurum Diels species accepted Rhododendron coelicum Balf.fil. & Farrer species accepted Rhododendron rufulum P.C.Tam species synonym Rhododendron codonanthum Balf.fil. & Forrest species accepted Rhododendron rufosquamosum Hutch. species synonym Rhododendron rufohirtum Hand.-Mazz. species accepted Rhododendron rufescens Franch. species accepted Rhododendron clivicola Balf.fil. & W.W.Sm. species synonym Rhododendron rubropunctatum Hayata species heterotypic synonym Rhododendron ×clivianum J.Jay Sm. species synonym Rhododendron rubropilosum var. taiwanalpinum (Ohwi) S.Y.Lu, Yuen P.Yang & Y.H.Tseng variety synonym Rhododendron clementinae subsp. aureodorsale W.P.Fang ex J.Q.Fu subspecies synonym Rhododendron citrinum (Hassk.) Hassk. species accepted Rhododendron rubropilosum var. breviperulatum (Hayata) T.Yamaz. variety synonym Rhododendron rubroluteum Davidian species synonym Rhododendron rubrobracteatum Sleumer species accepted Rhododendron circinnatum Cowan & Kingdon-Ward ex Cowan species accepted Rhododendron cinnamomeum Wall., 1829 species accepted Rhododendron rubrantherum Kingdon-Ward species accepted Rhododendron rubineiflorum Craven species accepted Rhododendron rubellum Sleumer species accepted Rhododendron roxieoides D.F.Chamb. species accepted Rhododendron cinerascens Sleumer species accepted Rhododendron roxieanum var. recurvum (Balf.fil. & Forrest) Davidian variety synonym Rhododendron cinchoniflorum Sleumer species accepted Rhododendron roxieanum var. parvum Davidian variety synonym Rhododendron ×cilipinense S.Bowler species accepted Rhododendron ciliipes Hutch. species accepted Rhododendron ciliilobum Sleumer species accepted Rhododendron roxieanum var. globigerum (Balf.fil. & Forrest) D.F.Chamb. variety synonym Rhododendron ciliicalyx subsp. lyi (H.Lév.) R.C.Fang subspecies synonym Rhododendron ciliatopedicellatum Hayata species synonym Rhododendron ×rovellii Leroy species accepted Rhododendron chunii W.P.Fang species accepted Rhododendron rousei Argent & Madulid species accepted Rhododendron chunienii Chun & W.P.Fang species accepted Rhododendron ×chukirishima T.Yamaz. species accepted Rhododendron rothschildii Davidian species accepted Rhododendron chrysopeplon Sleumer species synonym Rhododendron rosthornii Diels species synonym Rhododendron chrysolepis Hutch. & Kingdon-Ward species accepted Rhododendron chrysodorum W.W.Sm. ex Stair species synonym Rhododendron ×rosifaciens R.I.Milne species synonym Rhododendron chrysodoron Tagg ex Hutch. species accepted Rhododendron roseum f. plenum Rehder form synonym Rhododendron roseum f. lutescens Rehder form synonym Rhododendron roseum f. albidum Steyerm. form synonym Rhododendron christianae Sleumer species accepted Rhododendron christi F.Först. species accepted Rhododendron chlorops Cowan species doubtful Rhododendron rosendahlii Sleumer species accepted Rhododendron roseiflorum P.F.Stevens species accepted Rhododendron chlanidotum Balf.fil. & Forrest species synonym Rhododendron roseatum Hutch. species accepted Rhododendron chionanthum Tagg & Forrest species accepted Rhododendron chilanshanense Kurash. species accepted Rhododendron robinsonii Ridl. species accepted Rhododendron chihsinianum Chun & W.P.Fang species accepted Rhododendron rivulare Kingdon-Ward species heterotypic synonym Rhododendron chevalieri Dop ex A.Chev. species accepted Rhododendron ririei subsp. leiboense M.Y.Fang subspecies synonym Rhododendron chengshienianum W.P.Fang species synonym Rhododendron ripleyi Merr. species accepted Rhododendron cheiranthifolium hort. ex Lavallée, 1877 species accepted Rhododendron ripense Makino species accepted Rhododendron cheilanthum Balf.fil. & Forrest species synonym Rhododendron riparium Kingdon-Ward species heterotypic synonym Rhododendron chawchiense Balf.fil. & Farrer species synonym Rhododendron riparioides (Cullen) Cubey species accepted Rhododendron ciliatum Hook.fil. species accepted Rhododendron ripaecola P.C.Tam species synonym Rhododendron rigidum Franch. species accepted Rhododendron rhuyuenense Chun ex P.C.Tam species accepted Rhododendron charitostreptum Balf.fil. & Kingdon-Ward species accepted Rhododendron rhombifolium R.C.Fang species accepted Rhododendron rhombicum Miq. species synonym Rhododendron rhodostomum Sleumer species accepted Rhododendron rhodosalpinx Sleumer species accepted Rhododendron charianthum Hutch. species synonym Rhododendron rhodora f. albiflorum E.L.Rand & Redfield form synonym Rhododendron charapoeum Balf.f. & Farrer species accepted Rhododendron ×charadzeae A.P.Khokhr. & Mazurenko species accepted Rhododendron rhodopus Sleumer species synonym Rhododendron rhodoleucum Sleumer species accepted Rhododendron chapaense Dop species synonym Rhododendron rhododactylum Millais species synonym Rhododendron chaoanense T.C.Wu & P.C.Tam species accepted Rhododendron rhodochroum Sleumer species accepted Rhododendron rhodanthum M.Y.He species accepted Rhododendron changii (W.P.Fang) W.P.Fang species accepted Rhododendron rhantum Balf.fil. & W.W.Sm. species synonym Rhododendron championae var. ovatifolium P.C.Tam, 1983 variety synonym Rhododendron reynosoi Argent species accepted Rhododendron ×chamaezelum Balf.fil. & Forrest species accepted Rhododendron chamaetortum Balf.fil. & Kingdon-Ward species synonym Rhododendron rex subsp. fictolacteum (Balf.fil.) D.F.Chamb. subspecies synonym Rhododendron rex subsp. arizelum (Balf.fil. & Forrest) D.F.Chamb. subspecies synonym Rhododendron chamaecistus Cham. & Schltdl. species synonym Rhododendron revolutum Sleumer species accepted Rhododendron retusum var. epilosum J.J.Sm. variety synonym Rhododendron retrorsipilum Sleumer species accepted Rhododendron retivenium Sleumer species accepted Rhododendron chaffanjonii H.Lév. ex Hutch. species synonym Rhododendron reticulatum f. parvifolium (T.Yamaz.) T.Yamaz. form synonym Rhododendron cerochitum Balf.fil. & Forrest species synonym Rhododendron reticulatum f. glabrescens (Nakai & H.Hara) T.Yamaz. form synonym Rhododendron cernuum Sleumer species accepted Rhododendron reticulatum f. bifolium (T.Yamaz.) T.Yamaz. form synonym Rhododendron cerinum Balf.fil. & Forrest species synonym Rhododendron cerasinum Tagg species accepted Rhododendron cerasiflorum Kingdon-Ward species synonym Rhododendron renschianum Sleumer species accepted Rhododendron ceraceum Balf.fil. & W.W.Sm. species synonym Rhododendron cephalthoides Balf.f. & W.W.Sm. species doubtful Rhododendron regale Balf.fil. & Kingdon-Ward species synonym Rhododendron cephalanthum subsp. platyphyllum (Franch. ex Diels) Cullen subspecies synonym Rhododendron reevei Argent species synonym Rhododendron redowskianum Maxim. species accepted Rhododendron celebicum (Blume) DC. species accepted Rhododendron recurvum Balf.fil. & Forrest species synonym Rhododendron cavaleriei H.Lév. species accepted Rhododendron recurvoides Tagg & Kingdon-Ward species accepted Rhododendron caucasicum Pall. species accepted Rhododendron ravum Balf.fil. & W.W.Sm. species synonym Rhododendron caucaseum Sims species synonym Rhododendron rarum Schltr. species accepted Rhododendron rarosquameum Balf.fil. species synonym Rhododendron catawbiense f. tomopetalum Rehder form synonym Rhododendron rarilepidotum J.J.Sm. species accepted Rhododendron catawbiense f. insularis Coker form synonym Rhododendron rappardii Sleumer species accepted Rhododendron ramsdenianum Cowan species accepted Rhododendron ramipilosum T.L.Ming species accepted Rhododendron catapastum Balf.fil. & Forrest species synonym Rhododendron ramentaceum (Lindl.) Planch. species synonym Rhododendron catanduanense Merr. ex H.F.Copel. species synonym Rhododendron radicans Balf.fil. & Forrest species synonym Rhododendron caryophyllum Hayata species synonym Rhododendron ×cartonianum DC. species accepted Rhododendron carstensense Wernham species accepted Rhododendron radendum W.P.Fang species accepted Rhododendron carringtoniae F.Muell. species accepted Rhododendron racemosum Franch. species accepted Rhododendron carrii Sleumer species accepted Rhododendron quinquefolium f. speciosum N.Yonez. form synonym Rhododendron carolinianum var. margarettae Ashe variety synonym Rhododendron carolinianum f. luteum Frisbie form synonym Rhododendron quadrasianum f. monodii H.J.Lam form synonym Rhododendron carneum Hutch. species accepted Rhododendron qinghaiense Ching ex W.Y.Wang species accepted Rhododendron qiaojiaense L.M.Gao & D.Z.Li species accepted Rhododendron qianyangense M.Y.He species accepted Rhododendron cardioeides Balf.fil. & Forrest species synonym Rhododendron pyrrhophorum Sleumer species accepted Rhododendron capitatum Maxim. species accepted Rhododendron ×pyrrhoanthum Balf.f. species accepted Rhododendron capellae Kores species accepted Rhododendron pycnocladum Balf.fil. & W.W.Sm. species synonym Rhododendron pusillum J.J.Sm. species accepted Rhododendron purshii G.Don species synonym Rhododendron purpureum (Pursh) Buch.-Ham. ex D.Don species synonym Rhododendron purpureiflorum J.J.Sm. species accepted Rhododendron ×puniceum (Sweet ex Poit.) Planch. species synonym Rhododendron candidapiculatum Wernham species synonym Rhododendron ×candelabrum Hook.fil. species accepted Rhododendron punctifolium L.C.Hu species accepted Rhododendron punctatum var. majus DC. variety synonym Rhododendron canadense f. albiflorum (E.L.Rand & Redfield) Rehder form synonym Rhododendron pumilum Nutt. species heterotypic synonym Rhododendron camtschaticum var. glandulosum (Standl. ex Small) B.Boivin variety synonym Rhododendron pulleanum Koord. species accepted Rhododendron ×pulchrum Sweet species accepted Rhododendron pulchroides Chun & W.P.Fang species accepted Rhododendron acuminatum Hook.fil. species accepted Rhododendron campylogynum Franch. species accepted Rhododendron ×pulcherrimum Lindl. species synonym Rhododendron acrophilum Merr. & Quisumb. species accepted Rhododendron pugeense L.C.Hu species accepted Rhododendron acrocline Sleumer species synonym Rhododendron pudorosum Cowan species accepted Rhododendron acraium Balf.fil. & W.W.Sm. species synonym Rhododendron pudorinum Sleumer species accepted Rhododendron achroanthum Balf.fil. & W.W.Sm. species synonym Rhododendron abietifolium Sleumer species accepted Rhododendron pubigerum Balf.fil. & Forrest species synonym Rhododendron aberrans Tagg & Forrest species synonym Rhododendron campanulatum subsp. aeruginosum (Hook.fil.) D.F.Chamb. subspecies synonym Rhododendron pubigermen J.J.Sm. species accepted Rhododendron aberconwayi Cowan species accepted Rhododendron pubicostatum T.L.Ming species accepted Rhododendron pubescens Balf.fil. & Forrest species accepted Rhododendron ×calycinum (Lindl.) Planch. species synonym Rhododendron psilanthum Sleumer species accepted Rhododendron pseudotrichanthum Sleumer species accepted Rhododendron sinovaccinioides Balf.fil. & Forrest species synonym Rhododendron eritimum subsp. persicinum (Hand.-Mazz.) Tagg subspecies synonym Rhododendron eriobotryoides Xiang Chen & Jia Y.Huang species accepted Rhododendron ×inopinum Balf.f. ex Tagg species doubtful Rhododendron parviflorum DC. species synonym Rhododendron macranthum (Bunge) G.Don species heterotypic synonym Rhododendron championiae Hook. species accepted Rhododendron tamurae (Makino) Masam. species synonym Rhododendron heterolepis Danet species accepted Rhododendron lompohense var. grandifolium J.J.Sm. variety synonym Rhododendron japonicum (Blume) C.K.Schneid. species heterotypic synonym Rhododendron indicum var. simsii (Planch.) Maxim. variety synonym Rhododendron semnum Balf.fil. & Forrest species synonym Rhododendron sojolense Argent species accepted Rhododendron repens var. chamaethomsonii Tagg & Forrest variety synonym Rhododendron uvariifolium Diels species accepted Rhododendron ×odoratum Sarg. species synonym Rhododendron loerzingii J.J.Sm. ex Koord. & Valeton species doubtful Rhododendron rosmarinifolium Dippel species heterotypic synonym Rhododendron jingangshanicum P.C.Tam species accepted Rhododendron indicum var. japonicum (Maxim.) Makino variety synonym Rhododendron surasianaum Balf.f. & Craib species synonym Rhododendron brachysiphon Balf.f. ex Hutch., 1919 species accepted Rhododendron baihuaense Y.P.Ma species accepted Rhododendron fuscum Blume species synonym Rhododendron whiteheadii Rendle species accepted Rhododendron mucronulatum var. lucidum Nakai variety synonym Rhododendron sanguineum var. consanguinem (Cowan) Davidian variety synonym Rhododendron pubigermen var. banghamiorum J.J.Sm. variety synonym Rhododendron intermedium Schur species heterotypic synonym Rhododendron ×inopinum Balf.fil. species accepted Rhododendron yedoense f. albflora HungT.Chang form synonym Rhododendron formosum var. inaequale C.B.Clarke variety synonym Rhododendron parviflorum F.Schmidt species synonym Rhododendron leptanthum F.Muell. species accepted Rhododendron ×intermedium Tausch species accepted Rhododendron leigongshanense C.H.Yang, Z.G.Xie, Y.F.Yu & Z.R.Yang species accepted Rhododendron eudoxum subsp. trichomiscum (Balf.fil. & Forrest) Tagg subspecies synonym Azalea citrina Hassk. species synonym Rhododendron sasakii E.H.Wilson species synonym Ledum glandulosum subsp. glandulosum subspecies synonym Rhododendron muscipulum Danet species accepted Ledum palustre var. maximum Nakai variety synonym Rhododendron thomsonii var. cyanocarpum Franch. variety synonym Rhododendron lukiangense subsp. adroserum (Balf.fil. & Forrest) Tagg subspecies synonym Rhododendron lapponicum subsp. albiflorum (Herder ex Maxim.) T.Yamaz. subspecies synonym Rhododendron lindleyanum Millais species heterotypic synonym Rhododendron forrestii Balf.fil. ex Diels species accepted Azalea wightii (Hook.fil.) Kuntze species synonym Rhododendron riparium Kingdon-Ward ex Hutch. species synonym Rhododendron macgregoriae var. glabrifilum (J.J.Sm.) Sleumer variety synonym Rhododendron nervulosum var. exuberans Sleumer variety synonym Rhododendron ×hidaense Makino ex H.Hara species accepted Rhododendron kawakamii var. kawakamii variety synonym Rhododendron hispidum D.Don species heterotypic synonym Rhododendron championiae var. championiae variety synonym Rhododendron longiflorum Nutt. species heterotypic synonym Rhododendron andrineae Danet species accepted Rhododendron yanthinum var. lepidanthum Rehder & E.H.Wilson variety synonym Rhododendron ×watereri E.H.Wilson species accepted Azalea linearifolia Hook.f. species synonym Rhododendron pauciflorum var. calocodon (Ridl.) Sleumer variety synonym Rhododendron yushuense Z.J.Zhao species accepted Rhododendron cockburnii (Argent, A.Lamb & Phillipps) Craven species accepted Rhododendron hodgsonii var. album D.Bhattach. variety synonym Rhododendron tschonoskii var. tetramerum Makino variety synonym Rhododendron camtschaticum var. pumilum E.A.Busch variety synonym Azalea canadense (L.) Kuntze species synonym Rhododendron oldhamii var. glandulosum Hayata variety synonym Rhododendron katsumatae (M.Tash. & H.Hatta) Craven species accepted Rhododendron glischrum var. adenosum Cowan & Davidian variety synonym Rhododendron uvariifolium var. griseum Cowan variety synonym Rhododendron eritimum subsp. heptamerum (Balf.fil.) Tagg subspecies synonym Rhododendron viscosum var. viscosum variety synonym Rhododendron ×paradoxum Balf.f. ex Tagg species doubtful Rhododendron rivulare Hand.-Mazz. species accepted Rhododendron pingianum D.Fang species accepted Rhododendron ×cavronii André species accepted Rhododendron tubiflorum (Blume) DC. species synonym Rhododendron japonicum var. glaucophyllum H.Hara ex Ohwi variety synonym Azalea alba (Blume) Blume ex DC. species heterotypic synonym Rhododendron cyanocarpum (Franch.) W.W.Sm. species accepted Azalea anthopogonoides (Maxim.) Kuntze species synonym Rhododendron randaiense Hayata species synonym Rhododendron pseudomaddenii A.A.Mao & Bhaumik species accepted Hymenanthes macrophylla f. alba (Rehder) Benth. form synonym Rhododendron catawbiense Hoffmanns. species synonym Rhododendron extraneum (Sleumer) Craven species accepted Rhododendron viscistylum var. mayebarae (Nakai & H.Hara) Sugim. variety synonym Rhododendron macrophyllum D.Don ex G.Don species accepted Rhododendron pleistanthum E.H.Wilson species accepted Rhododendron indicum var. smithii Sweet variety synonym Rhododendron lapponicum subsp. parvifolium (Adams) Malyschev subspecies homotypic synonym Rhododendron ×diversiflorum Danet species accepted Rhododendron zeylanicum Loudon species synonym Rhododendron nitidulum var. nubigenum Rehder & E.H.Wilson variety synonym Rhododendron glabrior Miq. species synonym Rhododendron weyrichii var. psilostylum Nakai variety synonym Rhododendron trichanthum Rehder species accepted |
PNSS