Mespilus monogyna var. stricta K.Koch variety synonym Crataegus oxyacantha subsp. fastigiata Dippel subspecies synonym Crataegus monogyna var. elegans (Poir.) Pers. variety synonym Crataegus lindmanii var. jodalii Ker.-Nagy variety synonym Crataegus uniflora var. inermis Dippel variety synonym Crataegus azarolus var. glabra Coss. variety synonym Crataegus ×degenii var. zsakii Boros variety homotypic synonym Crataegus monogyna var. triloba (Poir.) Batt. variety synonym Mespilus oxyacantha f. mediterranea Kuntze form synonym Crataegus glandulosa subsp. succulenta (Schrad. ex Link) Lauche subspecies synonym Crataegus punctata var. xanthocarpa (M.Roem.) Lavallée variety synonym Crataegus nigra f. arcuatopendula V.V.Byalt & Firsov form synonym Crataegus monogyna var. ferox (Carrière) C.K.Schneid. variety synonym Mespilus monogyna var. calycina (Peterm.) Asch. & Graebn. variety synonym Crataegus prunifolia var. ovalifolia (Hornem.) Cinovskis variety synonym Mespilus oxyacantha var. media (Bechst.) Asch. & Graebn. variety synonym Crataegus oxyacantha var. sutheriana Lavallée variety synonym Crataegus parvifolia var. florida Lodd. variety homotypic synonym Mespilus oxyacantha var. macrocarpa (Hegetschw.) Gremli variety synonym Crataegus azarolus var. intermedia Risso variety synonym Crataegus sanguinea subsp. altaica (Loudon) K.Koch subspecies synonym Crataegus monogyna subsp. glabra Peterm. subspecies synonym Crataegus ×media f. kermesina-plena Schelle form synonym Crataegus oxyacantha subsp. coccinea-flore-pleno Paul subspecies synonym Crataegus monogyna var. pendula-rosea Rehder variety synonym Sorbus latifolia var. obtusata (Spach) C.K.Schneid. variety synonym Crataegus rosiformis f. rigidula (Hrabetová) Ker.-Nagy form synonym Crataegus monogyna var. aurea Loudon variety synonym Crataegus ×pseudooxyacantha var. subcurvisepala Cinovskis variety synonym Crataegus crus-galli var. inermis Lange variety synonym Azarolus crataegoides var. macrocarpa Roem. variety synonym Mespilus monogyna subsp. pectinata (Dum.Cours.) K.Koch subspecies synonym Crataegus ×subsphaerica subsp. raavadensis (Raunk.) Ker.-Nagy subspecies synonym Crataegus crus-galli f. nana Poletiko form synonym Crataegus ×kyrtostyla var. baksayana Pénzes ex Ker.-Nagy variety synonym Crataegus monogyna var. polyacantha (Jan ex Guss.) Savul. & Rayss variety synonym Mespilus tanacetifolia var. heldreichii (Boiss.) Wenz. variety synonym Azarolus crataegoides var. malus Roem. variety synonym Crataegus oxyacantha var. multiplex Loudon variety synonym Crataegus ×ovalis var. somodii Ker.-Nagy variety synonym Abelmoschus vitifolius var. mollis Hassk. variety synonym Crataegus azarolus var. triloba (Poir.) Mutel variety synonym Crataegus oxyacantha subsp. integerrimus Sanio subspecies synonym Crataegus oxyacantha f. villosior Maire form synonym Crataegus oxyacantha subsp. punicea-plena Carrière subspecies synonym Crataegus ×media f. candida-plena Schelle form synonym Crataegus oxyacantha subsp. lobata Neilr. subspecies synonym Crataegus oxyacantha var. pectinata Lavallée variety synonym Crataegus monogyna var. vineticola Hrabetová ex Ker.-Nagy variety synonym Crataegus azarolus var. malus Risso variety synonym Crataegus ×pseudooxyacantha subsp. longisepala (Hrabetová) Ker.-Nagy subspecies synonym Crataegus crus-galli var. nana G.Nicholson variety homotypic synonym Crataegus oxyacantha var. subintegrifolia Lej. variety synonym Crataegus altaica var. incisa C.K.Schneid. variety synonym Crataegus oxyacantha var. caucasica Medw. variety heterotypic synonym Crataegus oxyacantha subsp. trifida Sanio subspecies synonym Crataegus maura var. tarraconensis Sennen variety synonym Halmia punctata subsp. xanthocarpa M.Roem. subspecies synonym Mespilus grandiflora Spreng. ex F.Dietr. species doubtful Crataegus lindmanii var. ronnigeri (K.Malý) Ker.-Nagy variety synonym Crataegus monogyna f. globosa Baen. form synonym Crataegus monogyna f. albanthera Snarskis form synonym Crataegus uniflora subsp. betulifolia Dippel subspecies synonym Crataegus glandulosa var. macracantha Lindl. variety synonym Mespilus oxyacantha var. monostyla (DC.) Cambess. variety synonym Crataegus oxyacantha subsp. monogyna (Jacq.) Sanio subspecies synonym ×Crataegomespilus dardari var. mespiloides Zabel variety synonym Mespilus grandiflora Spreng. species homotypic synonym Crataegus oxyacantha var. flore-punicea Rodigas variety synonym Crataegus monogyna subsp. villosa Peterm. subspecies synonym Crataegus tomentosa var. aurantiaca Lange variety synonym Crataegus ×subsphaerica subsp. negreanii Ker.-Nagy subspecies synonym Mespilus monogyna var. pinnatifida Hartm. variety synonym Crataegus ×subsphaerica subsp. serromonogyna (Pénzes) Ker.-Nagy subspecies synonym Crataegus apiifolia subsp. major Lodd. subspecies synonym Azarolus crataegoides var. pyriformis Roem. variety synonym Crataegus azarolus var. piriformis Risso variety synonym Crataegus oxyacantha f. mediterranea (Kuntze) Soó form synonym Crataegus monogyna subsp. plena Willd. subspecies synonym Crataegus monogyna var. punicea-plena Rehder variety synonym Mespilus ×grandiflora var. stipulosa (Kunth) Wenz. variety synonym Crataegus oxyacantha f. petermannii (Kuntze) Soó form synonym Crataegus crus-galli var. prunifolia Loudon variety synonym Mespilus monogyna var. wallrothii (Sanio) Asch. & Graebn. variety synonym Crataegus monogyna var. quercifolia (Booth ex Loudon) Rehder variety synonym Crataegus coccinea var. maxima Lodd. variety homotypic synonym Crataegus monogyna var. microphylla Foucaud & E.Simon variety synonym Crataegus oxyacantha var. auriculata Mérat variety heterotypic synonym Crataegus monogyna var. maura (L.fil.) Laguna variety synonym Crataegus oxyacantha var. tortuosa Lavallée variety synonym Crataegus ×subsphaerica subsp. szepesfalvyi (Pénzes) Ker.-Nagy subspecies synonym Mespilus pyrifolia subsp. lutea Poit. & Turpin subspecies synonym Crataegus crus-galli var. ovalifolia (Hornem.) Lindl. variety synonym Crataegus monogyna subsp. acerifolia Sennen subspecies synonym Crataegus oxyacantha subsp. variegata (Dippel) Sudw. subspecies synonym Crataegus monogyna var. biserrata Borbás variety synonym Crataegus monogyna f. glabra Cuatrec. form synonym Crataegus oxyacantha var. flexuosa Lavallée variety synonym Crataegus oxyacantha var. flore-rubra-plena Rodigas variety synonym Crataegus rosiformis var. carpatica (Hrabetová) Ker.-Nagy variety synonym Crataegus ×sudetica (Hrabetová) Ker.-Nagy species synonym Crataegus ×oxystevenii Pénzes ex Ker.-Nagy species synonym Crataegus monogyna var. pinnatifida (Hartm.) Hartm. variety synonym Crataegus rosiformis subsp. curvisepala (Lindm.) Ker.-Nagy subspecies synonym Crataegus oxyacantha f. gireoudii Späth ex C.K.Schneid. form synonym Crataegus ×monostevenii Pénzes species homotypic synonym Crataegus uniflora subsp. grossulariifolia Dippel subspecies synonym Crataegus monogyna subsp. fastigiata (K.Koch) Dippel subspecies synonym Halmia punctata subsp. trewiana M.Roem. subspecies synonym Crataegus oxyacantha subsp. decussata Sanio subspecies synonym Crataegus sanguinea var. altaica (Loudon) Rehder variety synonym Crataegus oxyacantha var. laciniata DC. variety heterotypic synonym Oxyacantha monogyna var. laschiana M.Roem. variety synonym Crataegus azarolus var. macrocarpa Risso variety synonym Crataegus sanguinea var. genuina Maxim. variety synonym Crataegus oxyacantha subsp. subtriloba Arcang. subspecies synonym Crataegus monogyna f. rotundicarpa Snarskis form synonym Crataegus monogyna f. punicea-plena Schelle form synonym Crataegus stipulacea Laundy species synonym Crataegus oxyacantha var. gumpperi-bicolor Van Houtte variety synonym Crataegus watsoniana var. inermis G.Kirchn. variety synonym Crataegus alutacea var. subhispidula Klokov variety synonym Crataegus oxyacantha f. brevispina (Douglas ex Steud.) Knoche form heterotypic synonym Crataegus walokochiana var. hercynica (Hrabetová) Ker.-Nagy variety synonym Crataegus orientalis var. heldreichii (Boiss.) Maire & Petitm. variety synonym Mespilus michauxii (Pers.) F.Dietr. species heterotypic synonym Crataegus oxyacantha var. praecox Lodd. ex C.F.Ludw. variety synonym Mespilus lucida subsp. latifolia Ehrh. subspecies synonym Crataegus monogyna var. borosii Pénzes variety synonym Crataegus crus-galli subsp. angustifolia (Ehrh.) Sudw. subspecies synonym Crataegus ×subsphaerica subsp. fallacina (Klokov) Ker.-Nagy subspecies synonym Crataegus oxyacantha var. quercifolia Booth variety homotypic synonym Mespilus monogyna subsp. quercifolia K.Koch subspecies synonym Crataegus ×corniculata Hrabetová ex Ker.-Nagy species synonym Crataegus ×subsphaerica subsp. jacquinii (A.Kern. ex Pénzes) Ker.-Nagy subspecies synonym Crataegus oxyacantha f. koernickei Sanio form synonym Crataegus monogyna f. pinnatifida Merino form synonym Crataegus oxyacantha f. villosa Sanio form synonym Crataegus aronia var. aronia variety homotypic synonym Crataegus monogyna var. pectinata (Dum.Cours.) Cinovskis variety synonym Mespilus viridis (L.) Cramer species heterotypic synonym Crataegus ×media f. alba-plena Schelle form synonym Crataegus monogyna f. variegata Dippel form synonym Crataegus flava subsp. trilobata Loudon subspecies synonym Crataegus monogyna subsp. kyrtostyla (Fingerh.) Domin subspecies synonym Crataegus pinnatifida var. pilosa Skvortsov variety synonym Crataegus azarolus var. dulcis Risso variety synonym Crataegus parvifolia var. grossulariifolia Lodd. variety homotypic synonym Crataegus monogyna var. gumperi Voss variety synonym Mespilus oxyacantha subsp. aurea Asch. & Graebn. subspecies synonym Crataegus monogyna var. calycina (Peterm.) A.Kern. variety synonym Mespilus monogyna var. praecox (Dippel) Asch. & Graebn. variety synonym Crataegus altaica var. fusca Lange variety synonym Crataegus monogyna var. orthocalyx Borbás variety synonym Crataegus oxyacantha f. alboplena (Bean) Cinovskis form synonym Crataegus azarolus var. turcomanica Popov variety homotypic synonym Crataegus tomentosa subsp. plicata Alph.Wood subspecies synonym Crataegus oxyacantha var. cossonii Ficalho & Cout. variety synonym Crataegus glandulosa var. succulenta (Schrad. ex Link) K.Koch variety synonym Mespilus monogyna subsp. dissecta K.Koch subspecies synonym Crataegus oxyacantha subsp. rigida Starcs subspecies synonym Crataegus chlorosarca f. pubescens E.L.Wolf form synonym Mespilus maura var. maroccana (Pers.) Poir. variety synonym Crataegus oxyacantha subsp. pseudomonogynus Sanio subspecies synonym Crataegus altaica var. latifolia Popov variety synonym Crataegus parvifolia Aiton species synonym Crataegus monogyna var. rosiformis (Janka) K.Malý variety synonym Crataegus monogyna var. serromonogyna Pénzes variety synonym Crataegus ×degenii var. zsakii Boros ex Ker.-Nagy variety synonym Crataegus oxyacantha subsp. splendens (Wender.) Sanio subspecies synonym Crataegus oxyacantha f. rubra Schelle form synonym Crataegus monogyna var. compacta Späth variety synonym Crataegus rosiformis var. carstica (Hrabetová) Ker.-Nagy variety synonym Crataegus oxyacantha subsp. floribus-coccineis-plenis Lem. subspecies synonym Mespilus monogyna var. pectinata (Dum.Cours.) Wenz. variety synonym Crataegus oxyacantha var. ferox Carrière variety synonym Crataegus flava subsp. lobata (Lindl.) Loudon subspecies synonym Crataegus ×plagiosepala subsp. dunensis Ker.-Nagy subspecies synonym Crataegus alutacea var. subarmata Klokov variety synonym Azarolus crataegoides var. florifera Roem. variety synonym Sorbus aria var. latifolia (Poir.) Samp. variety synonym Crataegus margaretta var. meiophylla (Sarg.) E.J.Palmer variety synonym Crataegus melanocarpa-maeotica Krysht. species doubtful Mespilus monogyna subsp. pteridifolia K.Koch subspecies synonym Mespilus monogyna var. hirsuta (Schur) Asch. & Graebn. variety synonym Crataegus crus-galli subsp. prunellifolia (Bosc ex Poir.) Sudw. subspecies synonym Crataegus oxyacantha subsp. lambertii Jacob-Makoy subspecies synonym Mespilus pyrifolia subsp. parviflora Tausch subspecies synonym Crataegus oxyacantha var. filicifolia Van Houtte variety synonym Crataegus oxyacantha var. hirsuta Boiss. variety synonym Crataegus coccinea var. cordata Lavallée variety synonym Crataegus oxyacantha var. cremnicensis Hrabĕtová variety synonym Crataegus azarolus var. lutescens Weston variety synonym Crataegus walokochiana var. hadensis (Hrabetová) Ker.-Nagy variety synonym Crataegus ×macrocarpa subsp. austromoravica (Hrabetová) Ker.-Nagy subspecies synonym Crataegus monogyna var. eriocarpa (Asch. & Graebn.) Gams variety heterotypic synonym Crataegus monogyna f. liocarpa K.Malý form synonym Crataegus ×media subsp. intermixta (Wenz.) Ker.-Nagy subspecies synonym Crataegus monogyna f. flexuosa (Loudon) Dippel form synonym Crataegus oxyacantha var. flexuosa Loudon variety synonym Crataegus pinnatifida f. betulifolia Nakai ex T.Kawamoto form synonym Crataegus sanguinea subsp. microphylla Schrad. subspecies synonym Mespilus monogyna subsp. laciniata K.Koch subspecies synonym Oxyacantha monogyna var. subrotundata M.Roem. variety synonym Mespilus azarolus subsp. ruscinonensis (Gren. & Blanc) Asch. & Graebn. subspecies synonym Crataegus monogyna subsp. transalpina (A.Kern. ex Hayek) Pénzes subspecies synonym Mespilus monogyna var. horrida K.Koch variety synonym Mespilus oxyacantha f. petermannii Kuntze form synonym Crataegus monogyna var. vineticola Hrabetová variety homotypic synonym Crataegus pinnatifida f. glabra Skvortsov form synonym Crataegus lindmanii var. microsepala Ker.-Nagy, Baranec & D.Bartha variety synonym Crataegus oxyacantha subsp. splendens H.Jaeger subspecies synonym Crataegus oxyacantha subsp. liocalyx Sanio subspecies synonym Mespilus monogyna var. semperflorens (Dippel) Asch. & Graebn. variety synonym Crataegus uniflora subsp. florida Koehne subspecies synonym Crataegus monogyna subsp. laciniata (Neilr.) Beck subspecies synonym Crataegus monogyna f. alba-plena (Rehder) C.K.Schneid. form synonym Crataegus ×macrocarpa var. bohemica (Hrabetová) Ker.-Nagy variety synonym ×Crataegomespilus dardari var. asnieresii (Koehne) Rehder variety synonym Crataegus odorata Bosc species doubtful Crataegus monogyna var. bicolor Rehder variety synonym Crataegus oxyacantha f. candida Späth form synonym Crataegus sanguinea f. microphylla E.L.Wolf form synonym Mespilus maura var. diversifolia (Pers.) Poir. variety synonym Crataegus crus-galli subsp. ovalifolia Torr. & A.Gray subspecies synonym Crataegus monogyna var. gregoriana Sennen variety synonym Azarolus crataegoides var. intermedia Roem. variety synonym Crataegus ×palmstruchii var. lepida Ker.-Nagy variety synonym Crataegus oxyacantha var. pseudolaciniatus Sanio variety synonym Crataegus monogyna f. pilifera Merino form synonym Crataegus media var. crassa Hrabetová ex Ker.-Nagy variety synonym Mespilus crus-galli var. inermis (G.Kirchn.) Asch. & Graebn. variety synonym Crataegus oxyacantha f. longisepala Hrabetová form synonym Crataegus javorkae (Pénzes) Ker.-Nagy species synonym Crataegus ×media var. monoxyacantha (Pénzes) Ker.-Nagy variety synonym Crataegus monogyna f. flore-albo-pleno Poletiko form synonym Crataegus brevispina f. subinermis Vicioso form synonym Crataegus ×oxystevenii Pénzes species homotypic synonym Crataegus azarolus var. torulosa Risso variety synonym Crataegus ×kyrtostyla var. baksayana Pénzes variety homotypic synonym Crataegus monogyna var. semperflorens (André) Rehder variety synonym Crataegus monogyna f. subpinnatifida Soó form synonym Crataegus oxyacantha var. quercifolia Booth ex Loudon variety synonym Crataegus oxyacantha var. brevispina (Kunze) Samp. variety synonym Crataegus monogyna var. stenosepala Borbás variety synonym Crataegus monogyna var. spathulifolia Ker.-Nagy variety synonym Mespilus monogyna subsp. apiifolia (Marshall) K.Koch subspecies synonym Crataegus monogyna f. aristata-serrata Ker.-Nagy form synonym Crataegus ×monostevenii Pénzes ex Ker.-Nagy species synonym Crataegus maura var. maroccana Pers. variety synonym Crataegus oxyacantha subsp. glabra Sanio subspecies synonym Mespilus monogyna var. eriocarpa Asch. & Graebn. variety synonym Crataegus ×macrocarpa subsp. baranecii Ker.-Nagy & J.Nagy subspecies synonym Crataegus ×media subsp. deltoxyacantha (Baranec) Ker.-Nagy subspecies synonym Crataegus oxyacantha subsp. wallrothii Sanio subspecies synonym Crataegus tanacetifolia var. glabra Lavallée variety synonym Crataegus oxyacantha var. laciniata (Wallr.) Rouy & E.G.Camus variety heterotypic synonym Crataegus ×macrocarpa var. curvisepaloides Hrabetová variety synonym Mespilus oxyacantha subsp. aurea Marshall subspecies synonym Crataegus oxyacantha subsp. eriocarpa Dippel subspecies synonym Crataegus monogyna var. incisifolia Druce variety synonym Crataegus ×subsphaerica var. csapodyae (Pénzes) Ker.-Nagy variety synonym Crataegus oxyacantha var. praecox Lodd. variety homotypic synonym Crataegus monogyna f. stricta (Loudon) G.Nicholson form synonym Crataegus monogyna var. insegnae (Tineo ex Guss.) Cout. variety synonym Crataegus monogyna f. ferox (Carrière) Poletiko form synonym Crataegus ×corniculata Hrabetová species homotypic synonym Crataegus ×media f. punicea-plena Schelle form synonym Crataegus oxyacantha var. granatensis (Boiss.) Samp. variety synonym Crataegus oxyacantha var. berberifolia Lindm. variety synonym Crataegus oxyacantha subsp. laciniata Neilr. subspecies synonym Crataegus monogyna var. praecox Dippel variety synonym Crataegus azarolus var. laciniata (Ucria) Fiori variety synonym Crataegus monogyna var. heterophylla (Flüggé) Wenz. variety homotypic synonym Crataegus ×media var. monoxyacantha Pénzes variety synonym Crataegus ×macrocarpa var. mikulcicensis (Hrabetová) Ker.-Nagy variety synonym Azarolus crataegoides var. dulcis Roem. variety synonym Mespilus monogyna var. fissa (Poir.) Asch. & Graebn. variety synonym Crataegus monogyna var. inermis-compacta Späth variety synonym Crataegus margaretta var. brownii (Britton) Sarg. variety synonym Crataegus crus-galli f. inermis (Lange) Poletiko form synonym Oxyacantha granatensis (Boiss.) M.Roem. species proparte synonym Crataegus macracantha var. pertomentosa (Ashe) Kruschke variety proparte synonym Crataegus succulenta var. pertomentosa (Ashe) E.J.Palmer variety proparte synonym Crataegus boissieri Willk. species proparte synonym Crataegus lasiocarpa Lange species proparte synonym Crataegus monogyna var. laciniata (Ucria) Kerguélen variety proparte synonym Crataegus ×ellwangeriana Sarg. species proparte synonym Crataegus pedicellata var. ellwangeriana (Sarg.) Eggl. variety proparte synonym Crataegus pedicellata var. caesa (Ashe) Kruschke variety proparte synonym Crataegus caesa Ashe species proparte synonym Anthomeles stipulosa (Kunth) M.Roem. species proparte synonym Crataegus roanensis var. fluviatilis (Sarg.) Kruschke variety proparte synonym Crataegus apiomorpha var. cyanophylla (Sarg.) Kruschke variety proparte synonym Crataegus ×latvica Cinovskis species proparte synonym Crataegus ×maritima Cinovskis species proparte synonym Crataegus ×gracilis Cinovskis species proparte synonym Crataegus ×insularis Cinovskis species proparte synonym Crataegus pruinosa var. cognata (Sarg.) J.B.Phipps variety proparte synonym Crataegus ×bergiana R.Doll species proparte synonym Crataegus blanda Sarg. species proparte synonym Crataegus penita Beadle species proparte synonym Crataegus ×calciphila Hrabetová species proparte synonym Crataegus ×macrocarpa subsp. calciphila (Hrabetová) Hrabetová subspecies proparte synonym Crataegus brittonii Eggl. species proparte synonym Crataegus colonica Beadle species proparte synonym Crataegus noelensis Sarg. species proparte synonym Crataegus douglasii var. duchesnensis S.L.Welsh variety proparte synonym Mespilus cuneiformis Marshall species proparte synonym Crataegus palliata Sarg. species proparte synonym Crataegus alemanniensis var. heterodonta (Pojark.) Cinovskis variety proparte synonym Mespilus crataegus Borkh. species proparte synonym Crataegus oxyacantha var. lagenariformis Bornm. variety proparte synonym Lazarolus oxyacanthoides Borkh. species proparte synonym Azarolus crataegoides Borkh. species proparte synonym Crataegus pruinosa var. rugosa (Ashe) Kruschke variety proparte synonym Crataegus iracunda var. brumalis (Ashe) Kruschke variety proparte synonym Crataegus macrosperma var. demissa (Sarg.) Eggl. variety proparte synonym Phaenopyrum subvillosum (Schrad. ex Torr. & A.Gray) M.Roem. species proparte synonym Crataegus texana var. dasyphylla (Sarg.) Phipps variety proparte synonym Crataegus dasyphylla Sarg. species proparte synonym Crataegus monogyna subsp. intermedia (Schur) J subspecies proparte synonym Crataegus nigra f. pappii D.Bartha & Ker.-Nagy form synonym Crataegus nigra f. vajdae D.Bartha & Ker.-Nagy form synonym Crataegus succulenta var. occidentalis (Britton) E.J.Palmer ex Fernald variety heterotypic synonym Crataegus pinnatifida var. partita Nakai ex Chung variety synonym Crataegus laevigata × rhipidophylla var. lindmanii variety synonym Mespilus caroliniana J.C.Wendl. species heterotypic synonym Crataegus oxyacantha var. monogyna (Jacq.) Regel variety synonym Crataegus nigra f. penzesii Ker.-Nagy & D.Bartha form synonym Crataegus calycina var. curvisepala (Lindm.) Franco variety synonym Crataegus laevigata × monogyna species synonym Crataegus monogyna var. odemisii Dönmez & Özderin variety synonym Crataegus crus-galli x succulenta var. macranthera species accepted Crataegus laevigata x rhipidophylla var. lindmanii variety synonym Crataegus nigra f. prodanii D.Bartha & Ker.-Nagy form synonym Crataegus nigra f. javorkae Ker.-Nagy & D.Bartha form synonym Crataegus pinnatifida f. partita (Nakai ex Chung) M.Kim form synonym Crataegus pinnatifida var. partita Nakai variety homotypic synonym Crataegus rosiformis var. lindmanii (Hrabetova) K.I.Chr. variety synonym Crataegus monogyna x rhipidophylla var. lindmanii variety synonym Sorbus obtusata (Spach) Hedl. species homotypic synonym Crataegus latifolia DC. ex Koehne species doubtful Crataegus torta Sarg. species doubtful Crataegus illudens Beadle species synonym Crataegus carrollensis Sarg. species synonym Crataegus procera Sarg. species doubtful Crataegus gracilior J.B.Phipps species accepted Crataegus pubescens (Kunth) Steud. species heterotypic synonym Crataegus crus-galli L. species accepted Crataegus sabineana Ashe species synonym Crataegus shinnersii Kruschke species accepted Crataegus exigua Sarg. species synonym Crataegus algens Beadle species synonym Crataegus canbyi Sarg. species synonym Crataegus cocksii Sarg. species synonym Mespilus lucida Ehrh. species synonym Mespilus watsoniana Spach species synonym Crataegus cherokeensis Sarg. species synonym Mespilus crus-galli (L.) Marshall species synonym Crataegus crus-galli var. bellica (Sarg.) E.J.Palmer variety synonym Crataegus crus-galli var. barrettiana (Sarg.) E.J.Palmer variety synonym Crataegus hannibalensis E.J.Palmer species synonym Crataegus palliata Sarg. species proparte synonym Crataegus crus-galli f. vulgaris Rickett form synonym Crataegus crus-galli var. capillata Sarg. variety synonym Crataegus persistens Sarg. species synonym Mespilus cuneiformis Marshall species proparte synonym Crataegus regalis Beadle species synonym Crataegus fontanesiana (Spach) Steud. species synonym Crataegus crus-galli var. exigua (Sarg.) Eggl. variety synonym Crataegus sublobulata Sarg. species synonym Crataegus crus-galli var. macra (Beadle) E.J.Palmer variety synonym Crataegus salicifolia Medik. species synonym Crataegus acutifolia var. insignis (Sarg.) E.J.Palmer variety synonym Crataegus crus-galli var. leptophylla (Sarg.) E.J.Palmer variety synonym Mespilus cunifolia Moench species synonym Crataegus crus-galli var. oblongata Sarg. variety synonym Crataegus lucida Elliott species heterotypic synonym Crataegus signata Beadle species synonym Crataegus tantula Sarg. species synonym Crataegus operta Ashe species synonym Crataegus bushii Sarg. species synonym Crataegus laurifolia Medik. species synonym Crataegus tenax Ashe species synonym Crataegus barrettiana Sarg. species synonym Crataegus regalis var. paradoxa (Sarg.) E.J.Palmer variety synonym Crataegus schizophylla Eggl. species accepted Crataegus helvina Ashe species synonym Crataegus triumphalis Sarg. species synonym Crataegus danielsii E.J.Palmer species synonym Crataegus danielsii f. glabra E.J.Palmer form synonym Crataegus livoniana Sarg. species synonym Crataegus fecunda Sarg. species accepted Crataegus uniqua Sarg. species synonym Crataegus denaria Beadle species synonym Crataegus vallicola Sarg. species synonym Crataegus subpilosa Sarg. species synonym Crataegus croomiana Sarg. species doubtful Crataegus heterophylla Lindl. species doubtful Mespilus heterophylla (Flüggé) Koch species homotypic synonym Oxyacantha heterophylla (Flüggé) M.Roem. species synonym Crataegus azarolus var. heterophylla (Flüggé) Regel variety synonym Crataegus monogyna var. heterophylla (Flüggé) Dippel variety synonym Crataegus oxyacantha var. heterophylla (Flüggé) Maire variety synonym Mespilus monogyna var. heterophylla (Flüggé) Wenz. variety synonym Crataegus parkae Sarg. species doubtful Crataegus clintoniana Sarg. species doubtful Crataegus multispina Ashe species doubtful Crataegus depressa Ashe species doubtful Crataegus apiifolia (Marshall) Michx. species synonym Crataegus flammea Sarg. species doubtful Crataegus procax Ashe species doubtful Crataegus alpista Sarg. species doubtful Crataegus inaudita Sarg. species doubtful Crataegus resecta Ashe species doubtful Crataegus lawrencensis Sarg. species doubtful Crataegus caroliniana Pers. species synonym Crataegus dzhairensis Vassilcz. species accepted Crataegus aestivalis (Walter) Torr. & A.Gray species accepted Crataegus maloides Sarg. species synonym Crataegus elliptica (Soland.), 1789 species synonym Crataegus luculenta Sarg. species synonym Crataegus aestivalis var. dormonae Ashe variety synonym Crataegus aestivalis f. luculenta (Sarg.) Sarg. form synonym Crataegus aestivalis var. maloides (Sarg.) Sarg. variety synonym Mespilus aestivalis Walter species synonym Crataegus aestivalis var. cerasoides (Sarg.) Sarg. variety synonym Anthomeles aestivalis (Walter) M.Roem. species synonym Crataegus ancisa Beadle species synonym Crataegus austromontana Beadle species accepted Crataegus compta Sarg. species synonym Crataegus milleri Sarg. species synonym Crataegus subserrata (M.Roem.) Benth. species synonym Crataegus latisepala Ashe species synonym Crataegus ×hiemalis Lange species accepted Mespilus ×hiemalis (Lange) Asch. & Graebn. species synonym Crataegus ×hiemalis var. erythrocarpa Lange variety synonym Crataegus wattiana Hemsl. & Lace species synonym Crataegus altaica (Loudon) Lange species heterotypic synonym Crataegus cruenta Ashe species doubtful Crataegus repulsans Sarg. species doubtful Crataegus shaferi Sarg. species synonym Crataegus cirrata Beadle species heterotypic synonym Crataegus rubella Beadle species synonym Crataegus intricata var. rubella (Beadle) Kruschke variety synonym Crataegus paddockeae Sarg. species doubtful Crataegus ×rubrinervis Lange species accepted Crataegus multipes Ashe species doubtful Crataegus medita Lindm. species doubtful Crataegus curvisepala subsp. carpatica Hrabetová subspecies synonym Crataegus curvisepala var. rigidula Hrabetová variety synonym Crataegus ×curvisepala subsp. cremnicensis Hrabetová subspecies synonym Crataegus aliena Sarg. species doubtful Crataegus iracunda Beadle species accepted Crataegus iracunda var. populnea (Ashe) Kruschke variety synonym Crataegus brumalis Ashe species synonym Crataegus iracunda var. silvicola (Beadle) E.J.Palmer variety synonym Crataegus iracunda var. stolonifera (Sarg.) Kruschke variety synonym Crataegus macrosperma var. demissa (Sarg.) Eggl. variety proparte synonym Crataegus populnea Ashe species accepted Crataegus beckwithae Sarg. species synonym Crataegus iracunda var. iracunda variety synonym Crataegus diffusa Sarg. species synonym Crataegus stolonifera Sarg. species synonym Crataegus iracunda var. brumalis (Ashe) Kruschke variety proparte synonym Crataegus iracunda var. diffusa (Sarg.) Kruschke variety synonym Crataegus incilis Beadle species synonym Crataegus concinna Beadle species synonym Crataegus collina Chapm. species accepted Crataegus repentina Sarg. species doubtful Crataegus ciliata Ashe species doubtful Crataegus aprica Beadle species accepted Crataegus multifida Ashe species doubtful Crataegus gothica Lindm. species doubtful Crataegus fastosa Sarg. species synonym Crataegus seducta Sarg. species doubtful Crataegus lapeyrousii Gand. species doubtful Crataegus claytoniana Sarg. species doubtful Crataegus albicera Beadle species doubtful Crataegus alma Beadle species synonym Crataegus latiflora Sarg. species doubtful Crataegus cicur Ashe species synonym Crataegus fragilis Beadle species doubtful Crataegus rubribracteolata J.B.Phipps & O'Kennon species accepted Crataegus moyeriana Sarg. species doubtful Crataegus delicata Sarg. species doubtful Crataegus sequax Ashe species doubtful Crataegus bissellii Sarg. species synonym Crataegus macracantha Lodd. ex Loudon species accepted Crataegus glandulosa Michx. species synonym Crataegus beckiana Sarg. species synonym Crataegus ferentaria Sarg. species synonym Crataegus sanguinea Pall. species accepted Crataegus microsperma Sarg. species synonym Mespilus macracantha (Lodd. ex Loudon) Wenz. species synonym Crataegus divida Sarg. species synonym Crataegus ogdensburgensis Sarg. species synonym Crataegus douglasii Lindl. species accepted Crataegus recta Sarg. species doubtful Crataegus lata Sarg. species doubtful Crataegus ×porrecta Ashe species synonym Crataegus rivulopugnensis J.B.Phipps & O'Kennon species accepted Crataegus laciniata Steven ex Besser species heterotypic synonym Crataegus eggertii Britton species doubtful Crataegus flava Sol. species doubtful Crataegus delectata Sarg. species doubtful Crataegus monostyla Peterm. species doubtful Crataegus arnoldiana Sarg. species synonym Crataegus superata Sarg. species doubtful Crataegus pallasii Griseb. species accepted Crataegus nubicola Beadle species doubtful Crataegus recordabilis Sarg. species doubtful Crataegus lasiantha Sarg. species doubtful Crataegus purpurella J.B.Phipps & O'Kennon species accepted Crataegus floridana Sarg. species accepted Crataegus floridana f. flava Murrill form synonym Crataegus limosa Sarg. species doubtful Crataegus ×dipyrena Pojark. species synonym Crataegus delectabilis Sarg. species doubtful Crataegus peruviana K.Koch species doubtful Crataegus peckietta Sarg. species doubtful Crataegus ×yosgatica K.I.Chr. species accepted Crataegus spathulata Michx. species accepted Cotoneaster spathulatus (Michx.) Wenz. species synonym Mespilus spathulata (Michx.) Poir. species synonym Crataegus apiifolia var. flavanthera Sarg. variety synonym Crataegus spathulata var. flavanthera Sarg. ex E.J.Palmer variety synonym Crataegus microcarpa Lindl. species synonym Crataegus ater Ashe species synonym Crataegus secreta J.B.Phipps species synonym Crataegus pseudoheterophylla Pojark. species accepted Crataegus pseudoheterophylla subsp. turkestanica (Pojark.) K.I.Chr. subspecies synonym Crataegus monogyna var. lanigera Popov variety heterotypic synonym Crataegus turkestanica Pojark. species accepted Crataegus segobricensis (Pau) Willk. species synonym Crataegus tisdalei Murrill species doubtful Crataegus rustica Beadle species synonym Crataegus corusca Sarg. species accepted Crataegus corusca var. hillii (Sarg.) Kruschke variety synonym Crataegus blothra Laughlin species synonym Crataegus corusca f. blothra (Laughlin) Kruschke form synonym Crataegus corusca var. gigantea Kruschke variety synonym Crataegus ×poplavskae Tzvelev species accepted Crataegus prismatica Ashe species doubtful Crataegus alacris Sarg. species doubtful Crataegus tetrica Beadle species doubtful Crataegus spectabilis Carrière species doubtful Crataegus lanigera Sarg. species doubtful Crataegus chateaugayensis Sarg. species doubtful Crataegus edulis Lodd. ex Moench species doubtful Crataegus genialis Sarg. species doubtful Crataegus tenuirama Ashe species doubtful Crataegus ×grignonensis Mouill. species accepted Crataegus jaquinii A.Kern. species synonym Crataegus jaquinii var. cylindrocarpa Murr variety synonym Crataegus paucifoliata Pau species synonym Crataegus ×killinica K.I.Chr. species accepted Crataegus prinoides Sarg. species doubtful Crataegus alachuaniformis Murrill species synonym Crataegus callida Beadle species synonym Crataegus lumaria Ashe species accepted Crataegus chrysocarpa var. caesariata (Sarg.) E.J.Palmer variety synonym Crataegus dodgei var. lumaria (Ashe) Sarg. variety synonym Crataegus jackii Sarg. species synonym Crataegus caesariata Sarg. species synonym Crataegus livingstoniana Sarg. species doubtful Crataegus tenuiloba Sarg. species doubtful Crataegus reverchonii Sarg. species accepted Crataegus stevensiana Sarg. species synonym Crataegus reverchonii var. stevensiana (Sarg.) E.J.Palmer variety synonym Crataegus reverchonii var. discolor (Sarg.) E.J.Palmer variety synonym Crataegus discolor Sarg. species synonym Crataegus ×harveyana Sarg. species synonym Crataegus ×inexpectans K.I.Chr. species accepted Crataegus habereri Sarg. species synonym Crataegus alachuana Murrill species doubtful Crataegus curtisii Ashe species doubtful Crataegus tenella Ashe species synonym Crataegus radiosa Sarg. species doubtful Crataegus macrocarpa Hegetschw. species accepted Crataegus ×macrocarpa var. hadensis (Hrabetová) K.I.Chr. variety synonym Crataegus lepida Beadle species synonym Crataegus laevigata subsp. nemorensis (Hrabetová) Dostál subspecies synonym Crataegus ×roubalii Chrtek & Krísa species synonym Crataegus ×brandenii R.Doll species synonym Crataegus oxyacantha var. macrocarpa (Hegetschw.) P.Fourn. variety heterotypic synonym Crataegus ×ovalis Kit. species synonym Crataegus ×eremitagensis Raunk. species synonym Crataegus ×pyricarpa R.Doll species synonym Crataegus ×schumacheri Raunk. species synonym Crataegus ×uhrovae So species doubtful Crataegus macrocarpa nothovar. calycina (Peterm.) Govaerts, 1999 variety homotypic synonym Mespilus monogyna var. macrocarpa (Hegetschw.) Wenz. variety synonym Crataegus monogyna var. macrocarpa (Hegetschw.) K.Koch variety synonym Crataegus scabrifolia (Franch.) Rehder species accepted Crataegus bodinieri H.Lév. species synonym Crataegus henryi Dunn species synonym Crataegus rivuloadamensis J.B.Phipps & O'Kennon species accepted Crataegus turcicus Dönmez species accepted Crataegus mollipes Sarg. species doubtful Crataegus decorata Sarg. species doubtful Crataegus ×ideae Sarg. species accepted Crataegus parvifolia Lojac. species heterotypic synonym Crataegus parvifolia var. florida Lodd. ex Loudon variety synonym Crataegus parvifolia var. grossulariifolia Lodd. ex Loudon variety synonym Crataegus ×hafniensis K.I.Chr. species accepted Crataegus premora Ashe species doubtful Crataegus glabrata Sarg. species doubtful Crataegus agaia Sarg. species doubtful Crataegus azarolus L. species accepted Crataegus corporea Sarg. species doubtful Crataegus umbratilis Sarg. species accepted Crataegus laetans Sarg. species doubtful Crataegus alabamensis Beadle species accepted Crataegus parviflora Sarg. species doubtful Crataegus sauratonae Ashe species doubtful Crataegus aquacervensis J.B.Phipps & O'Kennon species accepted Crataegus modica Sarg. species doubtful Crataegus hystricina Ashe species doubtful Crataegus sodalis Beadle species synonym Crataegus arrogans Beadle species synonym Crataegus tristis Beadle species synonym Crataegus laetula Sarg. species doubtful Crataegus dahurica Koehne ex C.K.Schneid. species synonym Crataegus rimosa Beadle species synonym Crataegus praestans Sarg. species doubtful Crataegus ×ruscinonensis var. aronioides Browicz variety synonym Azarolus maroccana (Lindl.) M.Roem. species synonym Crataegus rutila Sarg. species synonym Crataegus lamprophylla Gand. species synonym Crataegus triosteum Gruber species doubtful Crataegus pycnoloba Boiss. & Heldr. species accepted Mespilus tanacetifolia var. pycnoloba (Heldr. & Boiss.) Wenz. variety synonym Crataegus triloba Poir. species proparte synonym Crataegus cupressocollina J.B.Phipps & O'Kennon species accepted Crataegus serena Sarg. species doubtful Crataegus tennowana A.Nelson species synonym Crataegus decora Ashe species doubtful Crataegus oxyacanthoidea St.-Lag. species doubtful Crataegus praeformosa Murrill species doubtful Crataegus geniculata Ashe species synonym Crataegus affinis Sarg. species doubtful Crataegus media Bechst. species accepted Crataegus ×media var. sicula (Koch) K.I.Chr. variety synonym Crataegus ×media var. intermixta (Wenz.) Cinovskis variety synonym Crataegus hortorum Gand. species doubtful Crataegus flexilis Gand. species doubtful Crataegus ×estonica Cinovskis species doubtful Crataegus ×deltoxyacantha (Pénzes) Baranec species synonym Crataegus ×mechowa R.Doll species doubtful Crataegus ×petiolata R.Doll species doubtful Crataegus kaussmanniana R.Doll species doubtful Crataegus ×rosacea R.Doll species doubtful Crataegus oenochroa Gand. species synonym Crataegus ×kupfferi Cinovskis species synonym Crataegus ×curonica Cinovskis species doubtful Crataegus pectinata Bosc ex DC. species doubtful Crataegus longispina Sarg. species synonym Crataegus radiata Sarg. species doubtful Crataegus cernua Ashe species doubtful Crataegus ashei Beadle species accepted Crataegus diversifolia (Pers.) Steud. species synonym Crataegus damei Sarg. species doubtful Crataegus tenera Ashe species doubtful Crataegus mitis Sarg. species doubtful Crataegus lucida var. macracantha Lavallée variety synonym Crataegus ×chersonensis K.I.Chr. species accepted Crataegus praeclara Sarg. species doubtful Crataegus geneseensis Sarg. species doubtful Crataegus opulens Sarg. species accepted Crataegus beata var. opulens (Sarg.) E.J.Palmer variety synonym Crataegus bellica Sarg. species synonym Crataegus distincta Kruschke species accepted Crataegus gaultii Sarg. species doubtful Crataegus moselemensis Gruber species synonym Crataegus moselemensis var. corrugata Gruber variety synonym Crataegus brachyloba Sarg. species doubtful Crataegus calpodendron (Ehrh.) Medik. species accepted Mespilus calpodendron Ehrh. species synonym Crataegus calpodendron var. mollicula (Sarg.) E.J.Palmer variety synonym Crataegus globosa Sarg. species synonym Crataegus calpodendron var. gigantea Kruschke variety synonym Crataegus calpodendron var. obesa (Ashe) E.J.Palmer variety synonym Crataegus chapmanii var. plukenetii Eggl. variety synonym Mespilus tomentosa Castigl. species synonym Crataegus calpodendron var. globosa (Sarg.) E.J.Palmer variety synonym Crataegus tomentosa var. chapmanii Beadle variety synonym Halmia tomentosa (L.) M.Roem. species synonym Crataegus tomentosa Michx. species doubtful Halmia tomentosa var. calpodendron (Ehrh.) M.Roem. variety synonym Mespilus leucophoeus K.Koch species synonym Crataegus leucophleos Moench species synonym Mespilus pyrifolia Willd. species synonym Crataegus calpodendron var. hispidula (Sarg.) E.J.Palmer variety synonym Mespilus lutea Poir. species synonym Halmia tomentosa var. leucophloea M.Roem. variety synonym Crataegus calpodendron var. microcarpa (Chapm.) E.J.Palmer variety synonym Crataegus chapmanii (Beadle) Ashe species synonym Crataegus acanthacolonensis Laughlin species synonym Crataegus digyna Pall. ex Ledeb. species doubtful Crataegus tardifolia Ashe species doubtful Crataegus demissa Sarg. species synonym Crataegus ×browicziana K.I.Chr. species synonym Crataegus ×polyacantha (Guss.) Jan species synonym Crataegus oxyacantha L. species proparte synonym Crataegus ×destefanii Lojac. species proparte synonym Crataegus gaylussacia A.Heller species accepted Crataegus songarica K.Koch species accepted Crataegus vegeta Sarg. species accepted Crataegus chlorocarpa Gand. species heterotypic synonym Crataegus quercina Ashe species doubtful Crataegus tripartita Sarg. species synonym Crataegus catawbiensis Ashe species doubtful Crataegus culta Sarg. species doubtful Crataegus taetrica Sarg. species doubtful Crataegus misella Sarg. species doubtful Crataegus decens Ashe species doubtful Crataegus invicta Beadle species synonym Crataegus tecta Beadle species synonym Crataegus austrina Beadle species synonym Crataegus pubipes Ashe species doubtful Crataegus ambitiosa Sarg. species synonym Crataegus debilis Sarg. species doubtful Crataegus whitakeri Sarg. species accepted Crataegus ovalifolia Hornem. species synonym Crataegus tomentosa var. pyrifolia A.Gray variety synonym Crataegus tomentosa var. microcarpa Chapm. variety synonym Crataegus tomentosa var. smithii (Sarg.) Eggl. variety synonym Crataegus tomentosa var. pubifolia (Ashe) Farw. variety synonym Crataegus tomentosa var. structilis (Ashe) Farw. variety synonym Crataegus tomentosa var. mollis (Torr. & A.Gray) Torr. & A.Gray variety synonym Crataegus ursopedensis J.B.Phipps & O'Kennon species accepted Crataegus tarda Sarg. species synonym Crataegus microcarpifolia C.A.Arnold species doubtful Crataegus pyripulchra Murrill species doubtful Crataegus piperi Britton species accepted Crataegus columbiana var. piperi (Britton) Eggl. variety synonym Crataegus chrysocarpa var. piperi (Britton) Kruschke variety synonym Crataegus pellecta Sarg. species doubtful Mespilus turbinata (Pursh) Spreng. species synonym Anthomeles turbinata (Pursh) M.Roem. species synonym Crataegus flava var. elliptica Sarg. variety synonym Crataegus flava var. integra Nash variety synonym Crataegus meridiana Beadle species synonym Mespilus caroliniana H.L.Wendl. species synonym Mespilus flava Willd. species synonym Crataegus recurva Beadle species synonym Anthomeles flava (Aiton) M.Roem. species synonym Crataegus flava var. lobata Lindl. variety synonym Crataegus turbinata Pursh species synonym Mespilus flexispina Moench species heterotypic synonym Crataegus senta Beadle species accepted Crataegus subpaludosa Murrill species doubtful Crataegus miniata Ashe species doubtful Crataegus tumida Sarg. species doubtful Crataegus elegans (Poir.) Mutel species synonym Crataegus macracantha var. succulenta (Schrad. ex Link) Rehder variety heterotypic synonym Crataegus macracantha var. occidentalis (Britton) Eggl. variety synonym Crataegus occidentalis Britton species synonym Crataegus colorado Ashe species synonym Crataegus coloradensis A.Nelson species synonym Crataegus macracantha var. rhombifolia (Sarg.) Eggl. variety synonym Crataegus macracantha var. minor Loudon variety synonym Crataegus orientalis Pall. ex M.Bieb. species accepted Crataegus populifolia Walter species heterotypic synonym Crataegus fulva Sarg. species doubtful Crataegus paucispina Sarg. species synonym Crataegus contigua Sarg. species doubtful Crataegus pyriformis Jacques species doubtful Crataegus flavocarnis Ashe species doubtful Crataegus bronxensis Sarg. species doubtful Crataegus chitaensis Sarg. species synonym Crataegus luminosa Sarg. species doubtful Crataegus micracantha Sarg. species doubtful Crataegus dawsoniana Sarg. species doubtful Crataegus odorata species doubtful Mespilus obovata Bosc ex Steud. species synonym Crataegus polybracteata Ashe species doubtful Crataegus sphaenophylla Pojark. species accepted Crataegus armata Beadle species doubtful Crataegus sextilis Sarg. species synonym Crataegus candens Sarg. species doubtful Crataegus modesta Sarg. species doubtful Crataegus subflavida Murrill species doubtful Crataegus curva Beadle species synonym Crataegus plana Sarg. species doubtful Crataegus advena Sarg. species doubtful Crataegus subspinosa Vent. ex DC. species doubtful Mespilus subspinosa Vent. ex DC. species synonym Crataegus campestris Britton species doubtful Crataegus pruinosa f. ciliata Rickett form synonym Crataegus pruinosa f. puberula Rickett form synonym Crataegus pruinosa var. philadelphica (Sarg.) Eggl. variety synonym Crataegus pruinosa var. cognata (Sarg.) J.B.Phipps variety proparte synonym Crataegus pruinosa f. glaberrima Rickett form synonym Crataegus pruinosa var. leiophylla (Sarg.) J.B.Phipps variety synonym Crataegus rugosa Ashe species synonym Crataegus pruinosa f. angulata (Sarg.) E.J.Palmer form synonym Crataegus angulata Sarg. species synonym Crataegus porteri Britton species synonym Crataegus pruinosa f. mecocantha Kruschke form synonym Crataegus subaudens Murrill species doubtful Crataegus megapulchra Murrill species doubtful Crataegus dasyphylla Sarg. species proparte synonym Crataegus obtusata Spach species doubtful Crataegus placiva Sarg. species synonym Crataegus admiranda Sarg. species doubtful Crataegus mellita Sarg. species doubtful Crataegus invisa Sarg. species synonym Crataegus suavis Sarg. species doubtful Crataegus resima Beadle species synonym Crataegus harbisonii Beadle species accepted Crataegus adusta Beadle species synonym Crataegus picta Sarg. species doubtful Crataegus fulgida Sarg. species doubtful Crataegus acutiserrata Kruschke species synonym Crataegus laxa Beadle species synonym Crataegus pyramidata Sarg. species doubtful Crataegus calvinii Sarg. species doubtful Crataegus macera Sarg. species doubtful Crataegus medioxima Sarg. species doubtful Crataegus steveniana Stankov & Taliev species synonym Crataegus monogyna var. nigra Pall. variety synonym Oxyacantha pallasii (Griseb.) M.Roem. species synonym Crataegus beckerana Pojark. species synonym Crataegus holmesiana Ashe species accepted Crataegus pura Sarg. species synonym Crataegus holmesiana var. villipes Ashe variety synonym Crataegus holmesiana var. holmesiana variety synonym Crataegus sertata Sarg. species synonym Crataegus holmesiana var. amicta (Ashe) E.J.Palmer variety synonym Crataegus holmesiana var. tardipes (Sarg.) Sarg. variety synonym Crataegus villipes (Ashe) Ashe species synonym Crataegus elongata Sarg. species synonym Crataegus tardipes Sarg. species synonym Crataegus aquilonaris Sarg. species doubtful Crataegus phlebodia Sarg. species doubtful Crataegus fucata Sarg. species doubtful Crataegus acuminata Sarg. species doubtful Crataegus searsii Sarg. species doubtful Crataegus calvescens Sarg. species doubtful Crataegus ambigua C.A.Mey. ex A.K.Becker species accepted Crataegus structilis Ashe species synonym Crataegus viridis L. species accepted Crataegus abbreviata Sarg. species synonym Crataegus enucleata Sarg. species synonym Crataegus amicalis Sarg. species synonym Crataegus viridis f. padukensis E.J.Palmer & Pickens form synonym Crataegus ingens Beadle species synonym Crataegus arborescens Elliott species synonym Crataegus glandulosa var. michiganensis (Ashe) Farw. variety synonym Crataegus glandulosa var. typica Regel variety synonym Crataegus glandulosa var. minor (Loudon) Farw. variety synonym Crataegus monopyrena Pall. species doubtful Crataegus atropurpurea Ashe species synonym Crataegus phippsii O'Kennon species accepted Crataegus fruticosa Sarg. species synonym Crataegus cyanophylla Sarg. species synonym Crataegus victorinii Sarg. species doubtful Crataegus calophylla Sarg. species doubtful Crataegus strigosa Sarg. species synonym Crataegus mcgeeae Ashe species doubtful Crataegus aemula Beadle species synonym Crataegus ×berolinensis Cinovskis species doubtful Crataegus frutescens Sarg. species doubtful Crataegus pruinosa var. delawarensis (Sarg.) E.J.Palmer variety synonym Crataegus splendens Chalon species doubtful Crataegus pyracanthifolia G.Don species doubtful Crataegus callosa Sarg. species doubtful Crataegus streeterae Sarg. species doubtful Crataegus maribella Sarg. species synonym Crataegus filipes Ashe species synonym Crataegus perspicabilis Sarg. species doubtful Crataegus fructuosa Sarg. species doubtful Crataegus opaca Hook. & Arn. species accepted Crataegus nudiflora Nutt. ex Torr. & A.Gray species synonym Crataegus pygmaea Sarg. species doubtful Crataegus callista Sarg. species doubtful Crataegus dissecta Borkh. species synonym Crataegus stipulacea Lodd. species synonym Crataegus marcida Ashe species doubtful Crataegus dacrioidea Sarg. species doubtful Crataegus illinoiensis Ashe species doubtful Crataegus calcarigena Salisb. species doubtful Crataegus acutiloba Bean species heterotypic synonym Crataegus foliata Sarg. species doubtful Crataegus acerba Sarg. species doubtful Crataegus subaria Spach ex Koehne species doubtful Crataegus platycarpa Sarg. species synonym Crataegus tracyi Ashe ex Eggl. species doubtful Crataegus montivaga Sarg. species synonym Crataegus brainerdii Sarg. species synonym Crataegus brainerdii var. kennedyi (Sarg.) E.J.Palmer variety synonym Crataegus crus-galli f. staminea Rickett form synonym Crataegus crus-galli var. pyracanthifolia Aiton variety synonym Crataegus crus-galli var. rubens Sarg. variety synonym Crataegus crus-galli subsp. berberifolia (Torr. & A.Gray) A.E.Murray subspecies synonym Crataegus crus-galli var. nana (Dum.Cours.) DC. variety synonym Crataegus crus-galli f. spinulosa Rickett form synonym Crataegus crus-galli var. splendens W.T.Aiton variety synonym Crataegus crus-galli var. prunifolia Torrey & A.Gray variety synonym Crataegus crus-galli var. fontanesiana (Spach) Dippel variety synonym Crataegus crus-galli f. truncata (Sarg.) E.J.Palmer form synonym Crataegus crus-galli var. attenuata (Ashe) Farw. variety synonym Crataegus crus-galli var. danielsii (E.J.Palmer) Rickett variety synonym Crataegus crus-galli var. salicifolia (Medik.) Aiton variety synonym Mespilus crus-galli var. linearis Wenz. variety synonym Mespilus linearis Desf. species synonym Crataegus linearis Pers. species synonym Mespilus crus-galli var. salicifolia (Medik.) Wenz. variety synonym Crataegus crus-galli var. linearis (Pers.) Ser. variety synonym Crataegus prunifolia (Poir.) Pers. species synonym Crataegus steubenensis Sarg. species doubtful Crataegus pentasperma Ashe species synonym Crataegus benearnensis Gand. species doubtful Crataegus latifrons Sarg. species doubtful Crataegus isfajramensis Pachom. species accepted Crataegus praemonogyna Krysht. species doubtful Crataegus intricata Lange species accepted Crataegus ouachitensis var. minor E.J.Palmer variety synonym Crataegus biltmoreana var. stonei (Sarg.) Kruschke variety synonym Crataegus pallens Beadle species synonym Crataegus apposita Sarg. species synonym Crataegus apposita var. bissellii (Sarg.) Eggl. variety synonym Crataegus horseyi E.J.Palmer species synonym Crataegus intricata f. straminea (Beadle) Kruschke form synonym Crataegus intricata f. fortunata (Sarg.) Kruschke form synonym Crataegus padifolia var. incarnata Sarg. variety synonym Crataegus trifoliata DC. species doubtful Crataegus pusilla Sarg. species doubtful Crataegus calliantha Sarg. species doubtful Crataegus karadaghensis Pojark. species accepted Crataegus robbinsiana Sarg. species synonym Crataegus stenophylla Sarg. species doubtful Crataegus macrocalyx Sarg. species doubtful Crataegus depilis Sarg. species doubtful Crataegus mexicana Moc. & Sessé ex DC. species accepted Crataegus mexicana var. microsperma Eggl. variety synonym Crataegus floridula Sarg. species doubtful Crataegus puta Sarg. species synonym Crataegus thayeri Sarg. species doubtful Crataegus pinetorum Beadle species synonym Crataegus acerifolia Lodd. ex Moench species doubtful Crataegus acerifolia var. sera (Sarg.) Farw. variety synonym Crataegus splendida Sarg. species doubtful Crataegus badiata Bosc ex Koehne species doubtful Crataegus ×dippeliana Lange species accepted Crataegus tanacetifolia var. leeana Loudon variety synonym Crataegus celsiana (Dum.Cours.) Bosc species synonym Crataegus leeana Bean species synonym Crataegus perrara Sarg. species doubtful Crataegus accincta Sarg. species doubtful Crataegus pseudoaria Spach species doubtful Crataegus cuprea Sarg. species doubtful Crataegus swanensis Sarg. species doubtful Crataegus cerasoides Sarg. species synonym Crataegus coursetiana M.Roem. species synonym Crataegus bellatula Sarg. species doubtful Crataegus menandiana Sarg. species accepted Crataegus mackensenii Sarg. species doubtful Crataegus chrysophyta Ashe species synonym Crataegus robinsonii Sarg. species doubtful Crataegus perlevis Ashe species doubtful Crataegus schuettei Ashe species accepted Crataegus schuettei var. cuneata Kruschke variety heterotypic synonym Crataegus ferrissii Ashe species synonym Crataegus basilica Beadle species synonym Crataegus basilica var. viridimontana (Sarg.) E.J.Palmer variety synonym Crataegus alnorum Sarg. species synonym Crataegus tortilis Ashe species synonym Crataegus schuettei var. ferrissii (Ashe) Kruschke variety synonym Crataegus schuettei var. basilica (Beadle) J.B.Phipps variety synonym Crataegus abjecta Sarg. species doubtful Crataegus nitidula Sarg. species accepted Crataegus nitidula var. recedens (Sarg.) Kruschke variety synonym Crataegus recedens Sarg. species synonym Crataegus nitidula var. limatula (Sarg.) Kruschke variety synonym Crataegus nitidula var. macrocarpa Kruschke variety synonym Crataegus caesa Ashe species proparte synonym Crataegus lanata Beadle species synonym Crataegus lutea (Poir.) DC. species synonym Crataegus spissiflora Sarg. species synonym Crataegus perlaeta Sarg. species doubtful Crataegus florida hort. ex Koehne, 1893 species accepted Crataegus nemoralis Sarg. species doubtful Crataegus kinzerae Sarg. species doubtful Crataegus caerulescens Sarg. species synonym Crataegus bracteata Sarg. species synonym Crataegus benigna Sarg. species synonym Crataegus spinifera Sarg. species doubtful Crataegus paradoxa Sarg. species synonym Crataegus ×simulata Sarg. species accepted Crataegus cyclophylla Sarg. species synonym Crataegus heterophylloides Pojark. ex K.I.Chr. species accepted Crataegus tiliifolia K.Koch species synonym Crataegus pennypackeri Sarg. species doubtful Crataegus ×armena Pojark. species accepted Crataegus burkeana Sarg. species doubtful Crataegus insignis Sarg. species synonym Crataegus monstrata Sarg. species doubtful Crataegus taurica Pojark. species synonym Crataegus ×albanica Pojark. species accepted Crataegus ravida Ashe species accepted Crataegus pexa Beadle species synonym Crataegus peramoena Sarg. species doubtful Crataegus flexispina (K.Koch) Sarg. species synonym Crataegus terminalis Gouan species doubtful Crataegus darlingtoniana Sarg. species doubtful Crataegus johnstonii J.B.Phipps species accepted Crataegus nevadensis K.I.Chr. species synonym Crataegus bicolor Ashe species doubtful Crataegus ×eriocalyx (Sanio) Cinovskis species synonym Crataegus ×eriocalyx var. villosa (Sanio) Cinovskis variety synonym Crataegus lucorum Sarg. species accepted Crataegus lucorum var. insolens (Sarg.) Eggl. variety synonym Crataegus insolens Sarg. species synonym Crataegus debeauxii Cand. species synonym Crataegus lassa Beadle species accepted Crataegus pentaneura Ashe species doubtful Crataegus berlandieri Sarg. species synonym Crataegus brownii Britton species synonym Crataegus triflora Chapm. species accepted Crataegus spinea Sarg. species doubtful Crataegus luxuriosa Sarg. species synonym Crataegus frugiferens Beadle species synonym Crataegus perampla Sarg. species doubtful Crataegus columbiana Howell species synonym Crataegus zagrica Khat. species accepted Crataegus ×gracilis Cinovskis species proparte synonym Crataegus jenningsii Sarg. species doubtful Crataegus brownietta Sarg. species synonym Crataegus cordata (Mill.) Aiton species synonym Crataegus luteola Sarg. species doubtful Crataegus dewingii Sarg. species doubtful Crataegus consanguinea Beadle species synonym Crataegus panda Beadle species synonym Crataegus ×aulica Sarg. species synonym Crataegus tanacetifolia (Poir.) Pers. species accepted Crataegus erecta Sarg. species doubtful Crataegus jejuna Sarg. species doubtful Crataegus tenuissima Sarg. species doubtful Crataegus dikmensis Pojark. species synonym Crataegus fernaldii Sarg. species synonym Crataegus versuta Beadle species synonym Crataegus flabellata (Bosc ex Spach) K.Koch species accepted Crataegus grayana Eggl. species synonym Mespilus flabellata Bosc ex Spach species synonym Crataegus blandita Sarg. species synonym Crataegus flabellata var. grayana (Eggl.) E.J.Palmer variety synonym Crataegus flabellata var. densiflora (Sarg.) Kruschke variety synonym Crataegus crudelis Sarg. species synonym Crataegus seelyana Sarg. species doubtful Crataegus dumicola Sarg. species doubtful Crataegus flammata Sarg. species doubtful Crataegus nuda Sarg. species synonym Crataegus ×dispessa Ashe species accepted Crataegus suecica Steud. species doubtful Crataegus nainaica Krysht. species doubtful Crataegus pumila Sarg. species doubtful Crataegus jasperensis Sarg. species doubtful Crataegus carnosa Ashe species doubtful Crataegus myrtifolia C.Presl species doubtful Crataegus spatifolia Sarg. species doubtful Crataegus noelensis Sarg. species proparte synonym Crataegus ucrainica Pojark. species synonym Crataegus alleghaniensis Beadle species accepted Crataegus pulchra Sarg. species doubtful Crataegus casta Sarg. species doubtful Crataegus brachyacantha Engelm. species accepted Crataegus brachyacantha f. leucocarpa Sarg. form synonym Crataegus brachyacantha var. maxima Kuntze variety synonym Crataegus ludoviciensis Sarg. species doubtful Crataegus subvillosa Schrad. ex Torr. & A.Gray species synonym Crataegus craytonii Beadle species synonym Crataegus pelacris Sarg. species doubtful Crataegus flagrans Sarg. species doubtful Crataegus integra (Nash) Beadle species synonym Crataegus sororia Beadle species accepted Crataegus lancifolia Wender. species doubtful Crataegus annosa Beadle species synonym Crataegus irvingii Sarg. ex Weed species doubtful Crataegus kansuensis E.H.Wilson species accepted Crataegus kansuensis f. aurantiaca E.H.Wilson form synonym Crataegus lampocarpa Lindm. species synonym Crataegus assimilis Beadle species synonym Crataegus declivitatis Sarg. species doubtful Crataegus hargeri Sarg. species doubtful Crataegus tinctoria Ashe species accepted Mespilus phaenopyrum L.fil. species synonym Crataegus phaenopyrum f. fastigiata A.D.Slavin form synonym Cotoneaster cordatus (Mill.) Focke species synonym Mespilus acerifolia Poir. species synonym Mespilus corallina Desf. species synonym Mespilus cordata Willd. species synonym Gymnomeles cordata Oerst. ex Zabel species synonym Crataegus youngii Sarg. species synonym Crataegus porracea Ashe species doubtful Crataegus exilis Beadle species synonym Crataegus longipetiolata Sarg. species doubtful Crataegus pentagyna Waldst. & Kit. ex Willd. species accepted Mespilus melanocarpa Besser species doubtful Mespilus oliveriana Bosc species doubtful Crataegus oliveriana Bosc ex DC., 1825 species accepted Crataegus habilis Ashe species doubtful Crataegus versicolor Rochel species synonym Crataegus lesquereuxii Cockerell species doubtful Crataegus arborea Beadle species synonym Crataegus pyracanthoides (Aiton) Beadle species synonym Crataegus pyracanthoides var. limnophila (Sarg.) E.J.Palmer variety synonym Crataegus ohioensis Sarg. species synonym Crataegus arborea var. ohioensis (Sarg.) Kruschke variety synonym Crataegus pyracanthoides var. arborea (Beadle) E.J.Palmer variety synonym Crataegus ×knieskerniana Sarg. species accepted Crataegus colonica Beadle species proparte synonym Crataegus sitiens Ashe species synonym Crataegus longipedunculata Sarg. species doubtful Crataegus marshallii Eggl. species accepted Crataegus oxyacantha var. apiifolia (Marshall) Regel variety synonym Crataegus apiifolia var. minor Loudon variety synonym Mespilus oxyacantha var. americana Castigl. variety synonym Crataegus firma Sarg. species doubtful Crataegus pubifolia Ashe species synonym Crataegus cerronis A.Nelson species synonym Crataegus magniflora Sarg. species accepted Crataegus macounii Sarg. species synonym Crataegus hillii Sarg. species synonym Crataegus dayana Sarg. species synonym Crataegus polita Sarg. species synonym Crataegus polita var. tatnalliana (Sarg.) Eggl. variety synonym Crataegus sakranensis Hadac & Chrtek species accepted Crataegus wilkinsonii Ashe species synonym Crataegus ×mordenensis Boom species doubtful Crataegus tkatschenkoi K.I.Chr. species accepted Crataegus pascens Ashe species doubtful Crataegus finitima Sarg. species doubtful Crataegus radina Sarg. species doubtful Crataegus inusitula Sarg. species doubtful Crataegus cestrica Sarg. species doubtful Crataegus ×robesoniana Sarg. species synonym Crataegus armentalis Beadle species synonym Crataegus ×bornmuelleri Zabel ex K.I.Chr. & Ziel. species accepted Crataegus singularis Sarg. species doubtful Crataegus cuthbertii Ashe species doubtful Crataegus ×rubrocarnea Sarg. species accepted Crataegus arta Beadle species doubtful Crataegus wheeleri Sarg. species doubtful Crataegus gattingeri Ashe species accepted Crataegus georgiana Sarg. species synonym Crataegus scabrida Sarg. species accepted Crataegus scabrida var. hadleyana (Sarg.) J.B.Phipps variety synonym Crataegus scabrida var. cyclophylla (Sarg.) Kruschke variety synonym Crataegus brainerdii var. egglestonii (Sarg.) B.L.Rob. ex Eggl. variety synonym Crataegus dunbarii Sarg. species synonym Crataegus scabrida var. asperifolia (Sarg.) Kruschke variety synonym Crataegus brainerdii var. asperifolia (Sarg.) Eggl. variety synonym Crataegus hadleyana Sarg. species synonym Crataegus scabrida var. honesta (Sarg.) Kruschke variety synonym Crataegus asperifolia Sarg. species synonym Crataegus scabrida var. improvisa (Sarg.) J.B.Phipps variety synonym Crataegus scabrida var. dunbarii (Sarg.) Kruschke variety synonym Crataegus egglestonii Sarg. species synonym Crataegus scabrida var. balkwillii (Sarg.) J.B.Phipps variety synonym Crataegus balkwillii Sarg. species synonym Crataegus ×improvisa Sarg. species synonym Crataegus iterata Sarg. species synonym Crataegus brainerdii var. scabrida (Sarg.) Eggl. variety synonym Crataegus brainerdii var. cyclophylla (Sarg.) E.J.Palmer variety synonym Crataegus pinguis Sarg. species synonym Crataegus scabrida var. egglestonii (Sarg.) Kruschke variety synonym Crataegus pinnatifida Bunge species accepted Mespilus pentagyna var. pinnatifida (Bunge) Wenz. variety synonym Crataegus pinnatifida var. typica C.K.Schneid. variety synonym Crataegus bretschneideri C.K.Schneid. species synonym Crataegus pubescens var. botterii Eggl. variety synonym Crataegus pubescens f. stipulacea Stapf form synonym Crataegus hypolasia K.Koch species synonym Mespilus stipulosa Kunth species synonym Crataegus loddigesiana K.Koch species synonym Crataegus stipulosa (Kunth) Steud. species synonym Crataegus pubescens f. humboldtii Stapf form synonym Crataegus quitensis Benth. species doubtful Crataegus florea Sarg. species doubtful Crataegus ferox Sarg. species doubtful Crataegus putata Sarg. species accepted Crataegus condigna Beadle species accepted Crataegus punctata var. brevispina Douglas ex Hook. variety synonym Crataegus douglasii var. duchesnensis S.L.Welsh variety proparte synonym Crataegus douglasii f. badia Sarg. form synonym Mespilus douglasii (Lindl.) Asch. & Graebn. species synonym Crataegus sanguinea var. douglasii (Lindl.) Torr. & A.Gray variety synonym Crataegus williamsii Eggl. species accepted Mespilus sanguinea var. douglasii (Lindl.) Wenz. variety synonym Anthomeles douglasii (Lindl.) M.Roem. species synonym Crataegus valliae Beadle species doubtful Crataegus yadkinensis Ashe species synonym Crataegus fretzii Sarg. species doubtful Crataegus coerulea Sarg. species doubtful Crataegus deducta Sarg. species synonym Crataegus borealis Ashe species synonym Crataegus simulans Sarg. species doubtful Crataegus rotundifolia Eggl. species doubtful Crataegus rotundifolia var. bicknellii Eggl. variety synonym Crataegus rotundifolia var. pubera Sarg. variety synonym Crataegus rotundifolia f. rubescens Sarg. form synonym Crataegus rotundifolia var. aboriginum (Sarg.) Sarg. variety synonym Crataegus durobrivensis Sarg. species synonym Crataegus macra Beadle species synonym Crataegus xanthocarpa (Ehrh. ex L.f.) Druce species synonym Crataegus parca Ashe species doubtful Crataegus definita Sarg. species doubtful Crataegus ramosa Sarg. species doubtful Crataegus intermixta Sarg. species synonym Crataegus boothiana Sarg. species doubtful Crataegus texana Buckley species accepted Crataegus brevispina Kunze species heterotypic synonym Crataegus siderea Sarg. species doubtful Crataegus curabilis Ashe species doubtful Crataegus comparata Sarg. species doubtful Crataegus greggiana Eggl. species accepted Crataegus ampla Sarg. species doubtful Crataegus robur Beadle species synonym Crataegus robur f. megacarpa Murrill form synonym Crataegus robur f. sulphurea Murrill form synonym Crataegus palustris Ashe species doubtful Crataegus felix Sarg. species doubtful Crataegus cydonia Gruber species doubtful Crataegus emersoniana Sarg. species doubtful Crataegus insueta Sarg. species doubtful Crataegus blairensis Sarg. species doubtful Crataegus padifolia Sarg. species accepted Crataegus fortunata Sarg. species synonym Crataegus ×kennedyi Sarg. species accepted Crataegus crocea Beadle species synonym Crataegus lindenii Stapf species doubtful Crataegus subviridis Beadle species doubtful Crataegus glutinosa Michx. ex Koehne species doubtful Crataegus nitida (Engelm. ex Britton & N.E.Br.) Sarg. species accepted Crataegus viridis var. nitida Engelm. ex Britton & N.E.Brown variety synonym Crataegus prunellifolia Bosc ex DC. species synonym Crataegus insperata Sarg. species doubtful Crataegus incana Beadle species synonym Crataegus albanthera Sarg. species doubtful Crataegus shallotte Ashe species synonym Crataegus valida Beadle species synonym Crataegus cupulifera Sarg. species doubtful Crataegus conjuncta Sarg. species synonym Crataegus ludgii Carrière species doubtful Crataegus communis Beadle species synonym Crataegus fertilis Sarg. species doubtful Crataegus ×disperma Ashe species accepted Crataegus ×disperma var. peoriensis (Sarg.) Kruschke variety synonym Crataegus collina var. collicola (Ashe) E.J.Palmer variety synonym Crataegus ×pausiaca Ashe species synonym Crataegus cuneiformis (Marshall) Eggl. species synonym Crataegus punctata var. pausiaca (Ashe) E.J.Palmer variety synonym Crataegus ×peoriensis Sarg. species synonym Crataegus columbiana var. brunetiana (Sarg.) Eggl. variety synonym Crataegus insolita Sarg. species doubtful Crataegus cibilis Ashe species synonym Crataegus priva Ashe species doubtful Crataegus sera Sarg. species synonym Crataegus albemarlensis Ashe species doubtful Crataegus mollita Sarg. species doubtful Crataegus severa Sarg. species doubtful Crataegus limnophiloides Murrill species doubtful Crataegus cuprina J.B.Phipps species accepted Crataegus longifolia DC., 1825 species accepted Crataegus wilmorensis Sarg. species doubtful Crataegus paludosa Sarg. species synonym Crataegus fallsiana Sarg. species doubtful Crataegus glomerata Booth species doubtful Crataegus perjucunda Sarg. species synonym Crataegus bona Sarg. species synonym Crataegus bosciana (Spach) M.Roem. species synonym Crataegus oxyacantha var. media (Bechst.) K.Koch variety synonym Crataegus limatala Sarg. species synonym Crataegus cullasagensis Ashe species synonym Crataegus pallidula Sarg. species doubtful Crataegus fallens Ashe ex Gruber species doubtful Crataegus insidiosa Beadle species synonym Crataegus denudata Sarg. species doubtful Crataegus redolens Ashe species doubtful Crataegus apiomorpha Sarg. species synonym Crataegus apiomorpha f. paucispina (Sarg.) Kruschke form synonym Crataegus vittata Ashe species synonym Crataegus merita Sarg. species synonym Crataegus apiomorpha var. cyanophylla (Sarg.) Kruschke variety proparte synonym Crataegus insignata Sarg. species doubtful Crataegus pequotorum Sarg. species accepted Crataegus blockwayae Sarg. species doubtful Crataegus sejuncta Sarg. species synonym Crataegus leptopoda Sarg. species doubtful Crataegus crux Ashe species doubtful Crataegus margarettae Ashe species accepted Crataegus margarettae var. meiophylla (Sarg.) E.J.Palmer variety synonym Crataegus sicca Sarg. species synonym Crataegus margarettae var. brownii (Britton) Sarg. variety synonym Crataegus margarettae var. angustifolia E.J.Palmer variety synonym Crataegus evansiana Sarg. species synonym Crataegus margarettae f. xanthocarpa Sarg. form synonym Crataegus fischeri C.K.Schneid. species synonym Crataegus lenneana Warsz. species doubtful Crataegus pallescens Sarg. species doubtful Crataegus fallax Ashe species doubtful Crataegus pinnatifida f. geholensis (C.K.Schneid.) Kitag. form synonym Mespilus pinnatifida (Bunge) K.Koch species synonym Crataegus pinnatifida f. pilosa (C.K.Schneid.) Kitag. form synonym Crataegus peckii Sarg. species doubtful Crataegus thermopegaea E.J.Palmer species accepted Crataegus bella Sarg. species doubtful Crataegus allecta Sarg. species doubtful Crataegus sectilis Ashe species synonym Crataegus leptalea Sarg. species doubtful Crataegus scabera Sarg. species synonym Crataegus hissarica Pojark. species accepted Crataegus watsonii Murrill species doubtful Crataegus globirimosa Murrill species doubtful Crataegus mendosa Beadle species synonym Crataegus grossulariifolia Loudon species synonym Crataegus inopinata Sarg. species doubtful Crataegus pennsylvanica Ashe species accepted Crataegus ×ellwangeriana Sarg. species proparte synonym Crataegus tatnalliana Sarg. species synonym Crataegus kelloggii Sarg. species accepted Crataegus erythropoda Ashe species accepted Crataegus babakhanloui Khat. species accepted Crataegus lentula Ashe species doubtful Crataegus cruda Sarg. species doubtful Crataegus eximia Beadle species synonym Crataegus vivida Sarg. species synonym Crataegus painteriana Sarg. species doubtful Crataegus exornata Sarg. species doubtful Crataegus ingrata Ashe species doubtful Crataegus inopina Beadle species synonym Crataegus jozana C.K.Schneid. species synonym Crataegus atrocarpa E.L.Wolf species synonym Crataegus lenta Ashe species doubtful Crataegus vitellina Ashe species doubtful Crataegus paineana Sarg. species doubtful Crataegus erubescens Sarg. species doubtful Crataegus meyeri Pojark. species accepted Crataegus eriantha Pojark. species synonym Crataegus stankovii Kossych species synonym Crataegus monogyna var. hirsutior Boiss. variety synonym Crataegus persica Pojark. species synonym Crataegus ambigua var. hohenackeri C.K.Schneid. variety synonym Crataegus ×pseudosanguinea Popov ex Pojark. species accepted Crataegus bedfordensis Sarg. species doubtful Crataegus austera Sarg. species doubtful Crataegus ×tianschanica Pojark. species accepted Crataegus rubens Cinovskis species synonym Crataegus monticola Cinovskis species synonym Crataegus visendiformis Murrill species doubtful Crataegus pactilis Ashe species doubtful Crataegus errata Sarg. species doubtful Crataegus pastorum Sarg. species synonym Crataegus ×verruculosa Sarg. species synonym Crataegus infera Sarg. species doubtful Crataegus scopulorum Sarg. species doubtful Crataegus canadensis Sarg. species synonym Crataegus formosa Sarg. species synonym Crataegus sargentii Beadle species accepted Crataegus colorata Sarg. species doubtful Crataegus succincta Sarg. species synonym Crataegus infensa Sarg. species doubtful Crataegus bealii Sarg. species doubtful Crataegus brevipedicellata Ashe species doubtful Crataegus brevipedunculata K.Schum. species synonym Crataegus scitula Sarg. species doubtful Crataegus punctata Jacq. species accepted Mespilus punctata (L.) Willd. species synonym Crataegus obovatifolia M.Roem. species synonym Oxyacantha punctata (Jacq.) Nieuwl. species synonym Mespilus cornifolia Münchh. species synonym Crataegus collina var. succincta (Sarg.) E.J.Palmer variety synonym Crataegus cuneifolia (Ehrh.) Borkh. species synonym Crataegus punctata var. canescens Britton variety synonym Crataegus punctata f. intermedia Kruschke form synonym Crataegus punctata var. mutabilis Gruber variety synonym Crataegus punctata var. tenax (Ashe) Farw. variety synonym Crataegus punctata f. aurea (Aiton) Rehder form synonym Mespilus trewiana Tausch species synonym Crataegus tomentosa var. punctata (Jacq.) A.Gray variety synonym Crataegus punctata var. nitidula (Sarg.) Farw. variety synonym Crataegus punctata var. microphylla Sarg. variety synonym Halmia cornifolia (Poir.) M.Roem. species synonym Crataegus collina var. secta (Sarg.) E.J.Palmer variety synonym Mespilus cuneifolia Moench species heterotypic synonym Crataegus suborbiculata Sarg. species accepted Crataegus saundersiana Sarg. species synonym Crataegus neobaxteri Sarg. species synonym Crataegus kellermanii Sarg. species synonym Crataegus suborbiculata var. saundersiana (Sarg.) Kruschke variety synonym Crataegus lauta Sarg. species doubtful Crataegus ovatifolia Sarg. species doubtful Crataegus farwelli Sarg. species doubtful Crataegus baxteri Sarg. species doubtful Crataegus schweinitziana Sarg. species doubtful Crataegus lennoniana Sarg. species doubtful Crataegus crassa Ashe species doubtful Crataegus ×grandis Ashe species synonym Crataegus opima Beadle species synonym Crataegus abstrusa Beadle species synonym Crataegus illustris Beadle species synonym Crataegus contrita Beadle species synonym Crataegus lenis Beadle species synonym Crataegus inanis Beadle species synonym Crataegus ellipticifolia Sarg. species doubtful Crataegus longipes Pojark. species accepted Crataegus pellucidula Sarg. species doubtful Crataegus coccinioides Ashe species accepted Crataegus speciosa Sarg. species synonym Crataegus callicarpa Sarg. species synonym Oxyacantha coccinioides (Ashe) Nieuwl. species synonym Crataegus inducta Ashe species doubtful Crataegus meticulosa Sarg. species doubtful Crataegus incaedua Sarg. species accepted Crataegus oxyacantha var. azarolus (L.) Lam. variety synonym Azarolus crataegoides var. intermedia M.Roem. variety synonym Azarolus crataegoides var. florifera M.Roem. variety synonym Mespilus azarolus (L.) All. species heterotypic synonym Azarolus crataegoides var. macrocarpa M.Roem. variety synonym Azarolus crataegoides var. torulosa M.Roem. variety synonym Azarolus crataegoides var. dulcis M.Roem. variety synonym Azarolus crataegoides var. malus M.Roem. variety synonym Azarolus crataegoides var. pyriformis M.Roem. variety synonym Crataegus schneckii Ashe species doubtful Crataegus leimonia Sarg. species doubtful Crataegus agrestina Beadle species synonym Crataegus ×lavallei Hérincq ex Lavallée species accepted Crataegus mexicana var. carrierei Gumbl. variety synonym Crataegus carrierei Hort.Vauvel species accepted Crataegus ×lavallei var. carrierei (Vauvel ex Carrière) Cinovskis variety synonym Crataegus nananixonii J.B.Phipps & O'Kennon species accepted Crataegus indigens Ashe species synonym Crataegus bartramiana Sarg. species doubtful Crataegus arguta Beadle species synonym Crataegus scabriuscula Sarg. species doubtful Crataegus transmississippiensis Sarg. species doubtful Crataegus macrosperma Ashe species accepted Crataegus chadsfordiana Sarg. species synonym Oxyacantha macrosperma (Ashe) Nieuwl. species synonym Crataegus otiosa Ashe species synonym Crataegus fluviatilis Sarg. species accepted Crataegus randiana Sarg. species synonym Crataegus ×fretalis Sarg. species accepted Crataegus roanensis Ashe species synonym Crataegus macrosperma var. acutiloba (Sarg.) Eggl. variety synonym Crataegus macrosperma var. roanensis (Ashe) E.J.Palmer variety synonym Crataegus roanensis var. fluviatilis (Sarg.) Kruschke variety proparte synonym Crataegus macrosperma var. eganii (Ashe) Kruschke variety synonym Crataegus roanensis var. heidelbergensis (Sarg.) Kruschke variety synonym Crataegus cordifolia var. macrosperma (Ashe) Farw. variety synonym Crataegus macrosperma var. matura (Sarg.) Eggl. variety synonym Crataegus macrosperma var. pastorum (Sarg.) Eggl. variety synonym Crataegus glaucophylla Sarg. species synonym Crataegus macrosperma var. pentandra (Sarg.) Eggl. variety synonym Crataegus michauxii Pers. species synonym Crataegus ravenelii Sarg. species synonym Crataegus ravenelii f. superba Murrill form synonym Crataegus michauxii var. lacrimata (Small) D.B.Ward variety synonym Crataegus audens Beadle species synonym Crataegus galbana Beadle species synonym Crataegus keepii Sarg. species synonym Crataegus ornata Sarg. species doubtful Crataegus dispar Beadle species accepted Crataegus incompta Sarg. species doubtful Crataegus bartoniana Sarg. species doubtful Crataegus meiophylla Sarg. species synonym Crataegus scabra Sarg. species synonym Crataegus ×vailiae Britton species accepted Crataegus ×missouriensis Ashe species synonym Crataegus cornellii Sarg. species doubtful Crataegus yaltirikii Dönmez species accepted Crataegus ensifera Sarg. species doubtful Crataegus virgata Ashe species doubtful Crataegus opica Ashe species synonym Crataegus elliptica var. minor Torr. & A.Gray variety synonym Mespilus elliptica Hayne species doubtful Mespilus hyemalis Walter species synonym Crataegus flava var. pubescens A.Gray variety synonym Crataegus virginica Lodd. ex Loudon species synonym Crataegus chlorosarca Maxim. species accepted Mespilus chlorosarca (Maxim.) Matsum. species synonym Crataegus sanguinea var. schroederi Regel variety synonym Crataegus barryana Sarg. species doubtful Crataegus ×collicola Ashe species accepted Crataegus quinebaugensis Sarg. species doubtful Crataegus ×pseudoazarolus Popov species accepted Crataegus ×androssovii Kh.E.Esenova & Kerimova species synonym Crataegus nikitinii Essenova species synonym Crataegus cinovskisii Kassumova species synonym Crataegus saxatilis Sarg. species doubtful Crataegus pudens Sarg. species doubtful Crataegus sanguinea f. chlorocarpa (Lenné & K.Koch) Cinovskis form synonym Crataegus sanguinea var. songorica Regel variety synonym Crataegus viminea Ashe species doubtful Crataegus onusta Ashe species doubtful Crataegus indicens Ashe species accepted Crataegus remotilobata Raikova ex Popov species accepted Crataegus berberifolia Torr. & A.Gray species accepted Crataegus fera Beadle species synonym Crataegus crocina Beadle species synonym Crataegus edura Beadle species synonym Crataegus torva Beadle species synonym Crataegus tersa Beadle species synonym Crataegus berberifolia var. edita (Sarg.) E.J.Palmer variety synonym Crataegus edita Sarg. species synonym Crataegus ×amicta Ashe species accepted Crataegus saturata Sarg. species doubtful Crataegus ×rupicola Sarg. species accepted Crataegus hyrcana Bornm. species doubtful Crataegus knorringiana Pojark. species accepted Crataegus abdita Beadle species synonym Crataegus villiflora Sarg. species doubtful Crataegus olivacea Sarg. species doubtful Crataegus trisperma Ashe species doubtful Crataegus adunca Beadle species synonym Crataegus membranacea Sarg. species synonym Crataegus integriloba Sarg. species synonym Crataegus cognata Sarg. species accepted Crataegus tanuphylla Sarg. species accepted Crataegus angustata Sarg. species doubtful Crataegus sarniensis Sarg. species doubtful Crataegus spinulosa Sarg. species doubtful Crataegus brockwayae Sarg. species doubtful Crataegus viatica Ashe species doubtful Crataegus xanthophylla Sarg. species accepted Crataegus chungtienensis W.W.Sm. species accepted Crataegus diversa Sarg. species doubtful Crataegus heidelbergensis Sarg. species synonym Mespilus purpurea Poir. species synonym Crataegus erythrocarpa Ashe species accepted Crataegus anisophylla Beadle species synonym Crataegus angustisepala Sarg. species doubtful Crataegus obscura Sarg. species doubtful Crataegus xanthocarpos (Ehrh. ex L.f.) Medik. species synonym Crataegus vesca Ashe species doubtful Crataegus okennonii J.B.Phipps species accepted Crataegus eganii Ashe species synonym Crataegus constans Beadle species synonym Crataegus sanguinea var. typica Regel variety synonym Mespilus sanguinea (Pall.) Spach species synonym Crataegus baroussana Eggl. species accepted Crataegus leioclada Sarg. species doubtful Crataegus floribunda Gand. species heterotypic synonym Crataegus truncata Sarg. species synonym Crataegus poloniensis Cinovskis species synonym Crataegus egregia Beadle species synonym Crataegus ×sinaica Boiss. species accepted Mespilus monogyna var. ehrenbergii Wenz. variety synonym Crataegus ×montesantosii Diap. species synonym Crataegus ×sinaica subsp. rossii K.I.Chr. subspecies synonym Crataegus maura var. haematoclada K.Koch variety synonym Crataegus azarolus var. sinaica (Boiss.) Lange variety synonym Mespilus monogyna var. sinaica (Boiss.) Wenz. variety synonym Crataegus verrucalis Sarg. species accepted Crataegus okanaganensis J.B.Phipps & O'Kennon species accepted Crataegus effulgens Sarg. species doubtful Crataegus maroccana Lindl. species synonym Crataegus ×atrorubella Cinovskis species synonym Mespilus ×lambertiana (Lange) Asch. & Graebn. species synonym Crataegus ×schneideri Cinovskis species synonym Crataegus aurantia Pojark. species accepted Crataegus penita Beadle species proparte synonym Crataegus amnicola Beadle species synonym Crataegus jonesae Sarg. species accepted Crataegus laurentiana Sarg. species synonym Crataegus jonesae var. harryi (Sarg.) Kruschke variety synonym Crataegus coccinea var. macracantha Sarg. variety heterotypic synonym Crataegus jonesae var. brownietta (Sarg.) Kruschke variety synonym Crataegus harryi Sarg. species synonym Crataegus antheina Sarg. species doubtful Crataegus brazoria Sarg. species accepted Crataegus calva Beadle species synonym Crataegus vernans Ashe species doubtful Crataegus uber Ashe species doubtful Crataegus impervia Sarg. species doubtful Crataegus barbara Sarg. species doubtful Crataegus amica Beadle species synonym Crataegus ascendens Sarg. species doubtful Crataegus tanacetifolia var. typica Regel variety synonym Mespilus tanacetifolia Poir. species synonym Crataegus callidens Hausskn. & Bornm. species synonym Crataegus contortula Sarg. species doubtful Crataegus egens Beadle species synonym Crataegus verna Ashe species doubtful Crataegus ×rufula Sarg. species accepted Crataegus kornerupii Heer species doubtful Crataegus immitis Ashe species doubtful Crataegus angustifolia (Ehrh.) Borkh. species synonym Crataegus ×pilosa Sarg. species accepted Crataegus edsonii Sarg. species doubtful Crataegus obtecta Ashe species doubtful Crataegus drymopila Sarg. species synonym Crataegus ×silvicola Gand. species synonym Crataegus silvicola var. beckwithae Eggl., 1908 variety synonym Crataegus helvetica W.Koch species doubtful Crataegus maximowiczii C.K.Schneid. species accepted Crataegus beipiaogensis S.L.Tung & X.J.Tian species synonym Crataegus sanguinea var. villosa Rupr. variety synonym Crataegus altaica var. villosa (Rupr.) Lange variety synonym Mespilus sanguinea var. villosa (Rupr.) Asch. & Graebn. variety synonym Crataegus maximowiczii var. ninganensis S.Q.Nie & B.J.Jen variety synonym Crataegus aurescens J.B.Phipps species accepted Crataegus ruthiana Sarg. species doubtful Crataegus maineana Sarg. species synonym Crataegus prona Ashe species accepted Crataegus gravis Ashe species synonym Crataegus attenuata Ashe species synonym Crataegus glareosa Ashe species accepted Crataegus glariosa Ashe species synonym Crataegus watsoniana (Spach) Steud. species synonym Crataegus mollicula Sarg. species synonym Crataegus dumetosa Sarg. species synonym Crataegus handyae Sarg. species doubtful Crataegus shandongensis F.Z.Li, W.D.Peng, Bull.Bot.Res. & Harbin species accepted Crataegus clara Beadle species synonym Crataegus russata Sarg. species doubtful Crataegus umbrosa Sarg. species doubtful Crataegus seclusa Sarg. species synonym Oxyacantha monogyna (Jacq.) M.Roem. species synonym Crataegus monogyna subsp. ruscinonensis (Gren. & Blanc) O.Bolòs & Vigo subspecies synonym Crataegus monogyna f. dissecta (Borkh.) Buia form synonym Mespilus monogyna var. genuina (Posp.) Asch. & Graebn. variety synonym Crataegus monogyna var. kyrtostyla (Fingerh.) Beck variety synonym Crataegus oxyacantha var. monogyna (Jacq.) Wahlenb. variety synonym Crataegus transalpina A.Kern. ex Hayek species synonym Crataegus monogyna f. genuina Posp. form synonym Mespilus monogyna (Jacq.) All. species synonym Mespilus crataegus Borkh. species proparte synonym Crataegus monogyna var. poloniensis (Cinovskis) Cinovskis variety synonym Crataegus bruantii Carrière species synonym Crataegus alemanniensis f. microalemanniensis Cinovskis form synonym Crataegus leiomonogyna Klokov species synonym Crataegus monogyna var. trilobata (Nyár. ex Buia) Gost.-Jak. variety synonym Crataegus bracteolaris Gand. species synonym Crataegus monogyna var. plesivecensis (Hrabetová) Baranec variety synonym Mespilus diversifolia (Pers.) Poir. species synonym Crataegus subborealis Cinovskis species synonym Mespilus maura (L.fil.) Poir. species synonym Mespilus elegans Poir. species synonym Crataegus monogyna subsp. acutiloba (J.Kern.) Baranec subspecies synonym Crataegus subintegriloba Pojark. species synonym Crataegus alemanniensis var. heterodonta (Pojark.) Cinovskis variety proparte synonym Crataegus alemanniensis var. subborealis (Cinovskis) Cinovskis variety synonym Crataegus alemanniensis var. orientobaltica (Cinovskis) Cinovskis variety synonym Crataegus krumbholzii R.Doll species synonym Crataegus lipskyi Klokov species synonym Crataegus aegeica Pojark. species synonym Crataegus septempartita Pojark. species synonym Mespilus insegnae Tineo ex Guss. species synonym Crataegus granatensis Boiss. species accepted Crataegus praearmata Klokov species synonym Crataegus orientobaltica f. laciniata Cinovskis form synonym Crataegus monogyna f. szaferi Gost.-Jak. form synonym Crataegus hirsuta Schur species synonym Crataegus cuneata Siebold & Zucc. species accepted Oxyacantha azarella (Griseb.) M.Roem. species synonym Oxyacantha elegans (Poir.) M.Roem. species synonym Crataegus ×borealoides R.Doll species synonym Crataegus xeromorpha Pojark. species synonym Mespilus monogyna var. laciniata (Ledeb.) Wenz. variety synonym Crataegus azarella Griseb. species synonym Crataegus curvisepala subsp. colorata Hrabetová subspecies proparte synonym Crataegus pulchella Gand. species synonym Crataegus ×integerrima R.Doll species synonym Crataegus orientobaltica f. glabra Cinovskis form synonym Mespilus fissa Poir. species synonym Crataegus petiolulata Gand. species synonym Crataegus oligacantha Gand. species synonym Mespilus maroccana (Pers.) Poir. species synonym Crataegus ×curvisepaloides R.Doll species synonym Crataegus stevenii Pojark. species synonym Mespilus polyacantha Guss. species synonym Crataegus sublucens Gand. species synonym Crataegus monogyna var. contracta Hrabetová variety synonym Crataegus monogyna subsp. nordica Franco subspecies synonym Crataegus thyrsoidea Gand. species synonym Crataegus monogyna f. rosiformis (Janka) Hayek form synonym Crataegus oxyacantha var. discolor H.Lév. variety synonym Crataegus alutacea Klokov species synonym Crataegus lasiocarpa Lange species proparte synonym Crataegus panachaica C.K.Schneid. species synonym Mespilus laciniata (Ucria) Guss. species heterotypic synonym Crataegus popovii Chrshan. species synonym Crataegus monogyna var. typica Beck variety synonym Crataegus verecunda Sarg. species synonym Crataegus verecunda var. gonocarpa Peck variety synonym Crataegus obstipa Sarg. species doubtful Crataegus furuhjelmii Heer species doubtful Crataegus kulingensis Sarg. species synonym Crataegus cuneata var. shangnanensis L.Mao & T.C.Cui variety synonym Crataegus argyi H.Lév. & Vaniot species synonym Crataegus chantcha H.Lév. species synonym Mespilus cuneata (Siebold & Zucc.) K.Koch species synonym Crataegus assurgens Sarg. species synonym Crataegus ouachitensis E.J.Palmer species accepted Crataegus ×stenosepala Sarg. species accepted Crataegus florens Beadle species synonym Crataegus ruricola Sarg. species doubtful Crataegus macrophylla Sarg. species doubtful Crataegus conspicua Sarg. species doubtful Crataegus uniflora Münchh. species accepted Crataegus dolosa Beadle species synonym Crataegus gravesii Sarg. species doubtful Crataegus oblongifolia Sarg. species doubtful Crataegus edurescens Sarg. species doubtful Crataegus munda Beadle species accepted Crataegus remota Sarg. species doubtful Crataegus compacta Sarg. species accepted Crataegus fominii Krysht. species doubtful Crataegus arcana Beadle species synonym Crataegus huntiana Sarg. species doubtful Crataegus asperata Sarg. species synonym Crataegus aminii Khat. species doubtful Crataegus rupestris Ashe species synonym Crataegus uvaldensis Sarg. species synonym Crataegus ×conjungens Sarg. species synonym Crataegus cordato Mill. species synonym Crataegus venustula Sarg. species doubtful Crataegus eburnea Ashe species doubtful Crataegus dilatata Sarg. species synonym Crataegus conspecta Sarg. species synonym Crataegus coccinioides var. locuples (Sarg.) Kruschke variety synonym Crataegus ×locuples Sarg. species synonym Crataegus coccinioides var. dilatata (Sarg.) Eggl. variety synonym Crataegus rominens Sarg. species doubtful Crataegus shensiensis Pojark. species accepted Crataegus comata Sarg. species doubtful Crataegus rufipes Ashe species doubtful Crataegus macropoda Sarg. species doubtful Crataegus congestiflora Sarg. species doubtful Crataegus nobilis S.G.Gmel. species doubtful Crataegus cordifolia (Mill.) Farw. species synonym Crataegus cordifolia var. borealis (Ashe) Farw. variety synonym Crataegus cordifolia var. matura (Sarg.) Farw. variety synonym Crataegus cordifolia var. pastorum (Sarg.) Farw. variety synonym Crataegus venosa Ashe species doubtful Crataegus ebracteata Ashe species doubtful Mespilus pentagyna (Waldst. & Kit. ex Willd.) Wenz. species synonym Crataegus boyntonii Beadle species synonym Crataegus buckleyi Beadle species synonym Crataegus intricata var. boyntonii (Beadle) Kruschke variety synonym Crataegus boyntonii var. buckleyi (Beadle) Ashe variety synonym Crataegus foetida Ashe species synonym Crataegus secta Sarg. species synonym Crataegus fissa (Poir.) Bosc ex DC. species synonym Crataegus suksdorfii (Sarg.) Kruschke species synonym Crataegus douglasii var. suksdorfii Sarg. variety synonym Crataegus beata Sarg. species accepted Crataegus beata var. compta (Sarg.) Eggl. variety synonym Crataegus fortis Beadle species synonym Crataegus rubrolutea Sarg. species doubtful Crataegus sucida Sarg. species doubtful Crataegus confusa Sarg. species synonym Crataegus insegnae (Tineo ex Guss.) Bertol. species synonym Crataegus velata Ashe species synonym Crataegus olida Ashe species doubtful Crataegus eatonia Sarg. species synonym Crataegus rivularis Nutt. ex Torr. & A.Gray species accepted Crataegus durifolia Ashe species doubtful Crataegus persimilis Sarg. species accepted Crataegus laetifica Sarg. species synonym Crataegus cerasina Sarg. species synonym Crataegus aristata Sarg. species doubtful Crataegus rava Beadle species synonym Crataegus rubicundula Sarg. species doubtful Crataegus vicina Sarg. species doubtful Crataegus confinis Sarg. species synonym Crataegus vegrandis Sarg. species doubtful Crataegus wootoniana Eggl. species accepted Crataegus eastmaniana Sarg. species doubtful Crataegus riparia Ashe species doubtful Mespilus celsiana Dum.Cours. species synonym Mespilus pentagyna var. celsiana (Dum.Cours.) Wenz. variety synonym Crataegus oxyacantha var. celsianus Sanio variety synonym Crataegus howeana Sarg. species synonym Crataegus setosa Sarg. species doubtful Crataegus conferta Sarg. species doubtful Crataegus pruinosa (H.L.Wendl.) K.Koch species synonym Crataegus congesta Sarg. species synonym Crataegus coccinea var. pruinosa (H.L.Wendl.) Dippel variety synonym Crataegus porteri var. caerulescens (Sarg.) E.J.Palmer variety synonym Crataegus pruinosa var. porteri (Britton) Eggl. variety synonym Crataegus crawfordiana Sarg. species synonym Crataegus littoralis Sarg. species synonym Crataegus gaudens Sarg. species synonym Mespilus pruinosa H.L.Wendl. species synonym Crataegus aspera Sarg. species synonym Crataegus pruinosa var. parvula (Sarg.) J.B.Phipps variety synonym Crataegus deltoides Ashe species synonym Crataegus pruinosa var. grandiflora Kruschke variety synonym Crataegus pruinosa var. latisepala (Sarg.) Eggl. variety synonym Crataegus pruinosa var. congesta (Sarg.) J.B.Phipps variety synonym Crataegus pruinosa var. conjuncta (Sarg.) Eggl. variety synonym Crataegus mackenzii var. aspera (Sarg.) E.J.Palmer variety synonym Crataegus vicinalis Beadle species synonym Crataegus mackenzii var. bracteata (Sarg.) E.J.Palmer variety synonym Crataegus gattingeri var. rigida E.J.Palmer variety heterotypic synonym Crataegus parvula Sarg. species synonym Crataegus oblita Sarg. species doubtful Crataegus compitalis Beadle species synonym Crataegus macilenta Beadle species synonym Crataegus ×kyrtostyla Fingerh. species accepted Crataegus oxyacantha var. kyrtostyla (Fingerh.) Regel variety synonym Mespilus monogyna f. kyrtostyla (Fingerh.) K.Koch form synonym Crataegus ×subsphaericea Gand. species synonym Crataegus subsphaericea nothovar. domicensis (Hrabĕtová) K.I.Christ. variety homotypic synonym Crataegus horridula Sarg. species synonym Crataegus aridula Sarg. species doubtful Crataegus arenicola Ashe species synonym Crataegus compatalis Ashe species doubtful Crataegus earlei Ashe species doubtful Crataegus helderbergensis Sarg. species doubtful Crataegus pilifera Sarg. species doubtful Crataegus nutans Sarg. species doubtful Crataegus roribacca Ashe species accepted Crataegus valens Ashe species doubtful Crataegus vaga Sarg. species doubtful Crataegus ribesius Bertol. species doubtful Crataegus honesta Sarg. species synonym Crataegus pearsonii Ashe species accepted Crataegus jesupii Sarg. species accepted Crataegus dapsilis f. serotina Murrill form synonym Crataegus rubicunda Sarg. species doubtful Crataegus rudis Sarg. species doubtful Crataegus coleae Sarg. species accepted Crataegus macauleyae Sarg. species synonym Crataegus eatoniana Sarg. species synonym Crataegus ×anamesa Sarg. species accepted Crataegus antiplasta Sarg. species synonym Crataegus russanovii Cinovskis species accepted Crataegus russanovii f. rubella Cinovskis form synonym Crataegus russanovii f. latifolia (Popov) Cinovskis form synonym Crataegus nupera Ashe species doubtful Crataegus heldreichii Boiss. species accepted Crataegus polyacantha subsp. heldreichii (Boiss.) Lange subspecies synonym Crataegus tanacetifolia var. heldreichii (Boiss.) Regel variety synonym Mespilus heldreichii (Boiss.) Asch. & Graebn. species synonym Crataegus varians Sarg. species doubtful Crataegus microphylla K.Koch species accepted Crataegus honeoyensis Sarg. species doubtful Crataegus submollis Sarg. species accepted Crataegus champlainensis Sarg. species synonym Crataegus mollis (Torr. & A.Gray) Scheele species accepted Crataegus acclivis Sarg. species synonym Crataegus coccinea var. oligandra Torr. & A.Gray variety synonym Crataegus coccinea var. viridis (L.) Torr. & A.Gray, 1840 variety homotypic synonym Crataegus uticaensis Sarg. species synonym Crataegus indentata Lodd. species synonym Crataegus delecta Sarg. species synonym Crataegus pedicellata var. sertata (Sarg.) Kruschke variety synonym Crataegus pedicellata var. robesoniana (Sarg.) E.J.Palmer variety synonym Crataegus pedicellata var. ellwangeriana (Sarg.) Eggl. variety proparte synonym Crataegus pedicellata var. caesa (Ashe) Kruschke variety proparte synonym Crataegus pedicellata var. assurgens (Sarg.) E.J.Palmer variety synonym Crataegus coccinea var. populifolia Torr. & A.Gray variety synonym Crataegus coccinea var. subvillosa (Schrad. ex Walp.) Lange variety synonym Crataegus coccinea var. flabellata (Bosc ex Spach) Britton variety synonym Crataegus rubescens Ashe species doubtful Crataegus rubrisepala Sarg. species doubtful Crataegus condensa Sarg. species doubtful Crataegus oresbia W.W.Sm. species accepted Crataegus straminea Beadle species synonym Crataegus nigra Waldst. & Kit. species accepted Crataegus viridimontana Sarg. species synonym Crataegus glabrifolia Sarg. species synonym Crataegus numerosa Sarg. species doubtful Mespilus rivularis (Nutt.) K.Koch species synonym Crataegus douglasii var. rivularis (Nutt.) Sarg. variety synonym Crataegus rivularis var. cuneata Nutt. variety synonym Crataegus ×aberrans (Lange) K.I.Chr. species accepted Crataegus ×rubrinervis var. aberrans Lange variety synonym Crataegus arcuata Ashe species doubtful Crataegus duracina Sarg. species doubtful Crataegus hirtella Sarg. species doubtful Crataegus araioclada Sarg. species doubtful Crataegus neobushii Sarg. species accepted Crataegus pagensis Sarg. species synonym Crataegus intricata var. neobushii (Sarg.) Kruschke variety synonym Crataegus aguilaris Sennen species synonym Crataegus ×peloponnesiaca Byatt species accepted Crataegus sulfurea J.B.Phipps species accepted Crataegus tenuisepala Sarg. species doubtful Crataegus furtiva Beadle species synonym Crataegus grignoniensis Mouill. species doubtful Crataegus urbica Sarg. species doubtful Crataegus noveboracencis Sarg. species doubtful Crataegus howellii Heiser ex Lunell, 1919 species accepted Crataegus patrum Sarg. species doubtful Crataegus rara Sarg. species doubtful Crataegus rubrifolia Sarg. species doubtful Crataegus comans Sarg. species doubtful Crataegus limnophila Sarg. species synonym Crataegus kurdistanica Hadac & Chrtek species accepted Crataegus melanocarpa var. kotschyana Boiss. variety synonym Crataegus rigida Sarg. species synonym Crataegus urbana Sarg. species doubtful Crataegus notabilis Sarg. species doubtful Crataegus dunmorensis Sarg. species doubtful Crataegus multiflora Bunge species accepted Crataegus baccata Sarg. species doubtful Crataegus saligna Greene species accepted Crataegus praetermissa Sarg. species synonym Crataegus permera Sarg. species doubtful Crataegus pentandra Sarg. species synonym Crataegus forbesae Sarg. species doubtful Crataegus spissa Sarg. species accepted Crataegus aperta Sarg. species doubtful Crataegus hispidula Sarg. species synonym Mespilus xanthocarpa Ehrh. ex L.fil. species synonym Crataegus trianthophora Sarg. species synonym Crataegus gregalis Beadle species synonym Mespilus axillaris Pers. species synonym Mespilus azarolus var. aurea (Marshall) Castigl. variety synonym Crataegus raleighensis Ashe species synonym Crataegus flexuosa Schwein. species doubtful Crataegus uniflora var. grossulariifolia Zabel variety synonym Mespilus unilateralis (Pers.) Poir. species synonym Crataegus rhodella Ashe species synonym Mespilus uniflora K.Koch species synonym Crataegus bisulcata Ashe species synonym Crataegus unilateralis Pers. species synonym Mespilus parvifolia Willd. species synonym Crataegus uniflora var. florida (Koehne) Zabel variety synonym Mespilus flexuosa Bosc species heterotypic synonym Crataegus choriophylla Sarg. species synonym Xeromalon obovatum Raf. species synonym Crataegus leptophylla Sarg. species synonym Crataegus lancei J.B.Phipps species synonym Crataegus uplandia Sarg. species doubtful Crataegus delawarensis Sarg. species accepted Crataegus michiganensis Ashe species synonym Crataegus stratfordensis Sarg. species doubtful Crataegus pulla Beadle species synonym Crataegus beadlei Ashe species accepted Crataegus parciflora Sarg. species doubtful Crataegus armigera Sarg. species doubtful Crataegus theodori Essenova species accepted Crataegus munita Sarg. species doubtful Crataegus lanuginosa Sarg. species accepted Crataegus impar Beadle species synonym Crataegus ×websteri Sarg. species accepted Crataegus latebrosa Sarg. species accepted Crataegus effera Sarg. species doubtful Crataegus contortifolia Sarg. species doubtful Crataegus venusta Beadle species accepted Crataegus rosei Eggl. species accepted Crataegus rotunda Sarg. species synonym Crataegus shirleyensis Sarg. species synonym Crataegus celsa Sarg. species synonym Crataegus incerta Sarg. species synonym Crataegus ×bicknellii (Eggl.) Eggl. species accepted Crataegus ×desueta Sarg. species accepted Crataegus desueta var. wausaukiensis Kruschke variety synonym Crataegus silvestris Sarg. species accepted Crataegus wisconsinensis Kruschke species doubtful Crataegus viaria Beadle species synonym Crataegus festiva Sarg. species doubtful Crataegus efferata Sarg. species doubtful Crataegus hamata Sarg. species doubtful Crataegus antimima Sarg. species doubtful Crataegus tenuispina Sarg. species doubtful Crataegus collinsiana Sarg. species doubtful Crataegus uncta Sarg. species doubtful Crataegus vulsa Beadle species synonym Crataegus divisifolia Sarg. species doubtful Crataegus ×langei Cinovskis species doubtful Crataegus efferta Sarg. species doubtful Crataegus spinosissima G.Lodd. species synonym Crataegus chlorosarca var. atrocarpa (E.L.Wolf) Cinovskis variety synonym Crataegus ×divisa Sarg. species synonym Crataegus stellata Sarg. species doubtful Crataegus implicata Sarg. species doubtful Crataegus gruberi Ashe species doubtful Crataegus sarmatica Krysht. & Baik. species doubtful Crataegus philadelphica Sarg. species synonym Crataegus rhipidophylla var. ronnigeri (K.Malý) Janjic variety synonym Crataegus rhipidophylla var. lindmanii (Hrabetová) K.I.Chr. variety synonym Crataegus rosiformis subsp. zlatnensis (Petauer) Kerguélen & Lambinon subspecies synonym Crataegus curvisepala subsp. zlatnensis Petauer subspecies synonym Crataegus curvisepala subsp. lindmanii (Hrabetová) Byatt subspecies synonym Crataegus ×dunensis Cinovskis species accepted Crataegus rosiformis subsp. lindmanii (Hrabĕtová) P.A.Schmidt subspecies synonym Crataegus curvisepala subsp. carstica Hrabetová subspecies synonym Crataegus appressidens Pojark. species synonym Crataegus oxyacantha var. mauriannensis (E.Didier) H.Lév. variety synonym Crataegus monogyna var. saxatilis Pierrat variety synonym Oxyacantha laciniata M.Roem. species proparte synonym Crataegus pseudokyrtostyla Klokov species synonym Crataegus monogyna var. mauriannensis E.Didier variety synonym Crataegus monogyna var. hirsutointermedia Pénzes variety synonym Crataegus subrotunda Klokov species synonym Crataegus monogyna var. rubra Pall. variety synonym Crataegus praemonticola Holub species accepted Crataegus curvisepala var. quadriloba Petauer variety synonym Mespilus oxyacantha (L.) Crantz species heterotypic synonym Crataegus oxyacantha var. concolor H.Lév. variety synonym Crataegus twiningii Sarg. species doubtful Crataegus newelliana Murrill species doubtful Crataegus punicea Fisch. ex Steud. species doubtful Crataegus atrovirens J.B.Phipps & O'Kennon species accepted Crataegus fulgens Sarg. species doubtful Crataegus oxyacantha f. laevigata (Poir.) Beck form synonym Oxyacantha vulgaris Erndt ex M.Roem. species proparte synonym Crataegus oxyacantha f. auriculata C.K.Schneid. form synonym Crataegus oxyacantha f. glabrata Sanio form synonym Crataegus oxyacantha var. obtusata Ser. variety synonym Crataegus serratissima J.B.Phipps species accepted Crataegus robusta Sarg. species doubtful Crataegus monosperma Sarg. species doubtful Crataegus propria Sarg. species doubtful Crataegus carpathica Lodd. ex Loudon species synonym Crataegus melanocarpa var. polyphylla Lange variety synonym Mespilus nigra (Waldst. & Kit.) Willd. species synonym Crataegus nescia Sarg. species doubtful Crataegus rigens Beadle species synonym Crataegus orbicularis J.B.Phipps & O'Kennon species accepted Crataegus axillaris Pers. species doubtful Crataegus grossiserrata Ashe species doubtful Crataegus delucida Sarg. species doubtful Crataegus pachyphylla Sarg. species synonym Crataegus chrysocarpa Ashe species accepted Crataegus chrysocarpa var. aboriginum (Sarg.) Kruschke variety synonym Oxyacantha chrysocarpa (Ashe) Lunell species synonym Crataegus brunetiana Sarg. species synonym Crataegus rotundifolia var. chrysocarpa (Ashe) Eggl. variety synonym Crataegus columbiana var. chrysocarpa (Ashe) Dorn variety synonym Crataegus illuminata Sarg. species synonym Crataegus caliciglabra Schuette species synonym Crataegus chrysocarpa f. rubescens (Sarg.) E.J.Palmer form synonym Crataegus chrysocarpa var. longiacuminata Kruschke variety synonym Crataegus coloradoides Ramaley species synonym Crataegus chrysocarpa var. dodgei (Ashe) E.J.Palmer variety synonym Crataegus doddsii Ramaley species synonym Crataegus chrysocarpa var. phoenicea E.J.Palmer variety synonym Mespilus rotundifolia Ehrh. species synonym Crataegus coccinea var. rotundifolia (M.Roem.) Sarg. variety synonym Crataegus coccinata Sarg. species synonym Crataegus laurentiana var. brunetiana (Sarg.) Kruschke variety synonym Crataegus aboriginum Sarg. species synonym Crataegus sicca var. glabrifolia (Sarg.) E.J.Palmer variety synonym Crataegus horrida Medik. species doubtful Crataegus horrida var. longiacuminata (Kruschke) Cinovskis variety synonym Crataegus horrida var. chrysocarpa (Ashe) Cinovskis variety synonym Crataegus horrida var. aboriginum (Sarg.) Cinovskis variety synonym Crataegus horrida f. rubescens (Sarg.) Cinovskis form synonym Crataegus horrida var. piperi (Britton) Cinovskis variety synonym Crataegus sheridanii A.Nelson species synonym Crataegus brunetiana var. fernaldii (Sarg.) E.J.Palmer variety synonym Crataegus faxonii var. durifrucata Kruschke variety synonym Crataegus laurentiana var. dissimilifolia Kruschke variety synonym Crataegus gharanica Paulsen ex Pojark. species synonym Crataegus cerea Gruber species doubtful Crataegus pamiroalaica Zaprjagaeva species accepted Crataegus truculenta Sarg. species doubtful Crataegus divergens (Peck) Sarg. species synonym Crataegus matura Sarg. species synonym Crataegus enderbyensis J.B.Phipps & O'Kennon species accepted Crataegus wilsonii Sarg. species accepted Crataegus grossa Sarg. species doubtful Crataegus augusta Sarg. species doubtful Crataegus irrasa Sarg. species accepted Crataegus oakesiana Eggl. species synonym Crataegus irrasa var. irrasa variety synonym Crataegus irrasa var. divergens Peck variety synonym Crataegus mansfieldensis Sarg. species synonym Crataegus putnamiana Sarg. species synonym Crataegus fulleriana f. magniflora (Sarg.) Kruschke form synonym Crataegus holmesiana var. magniflora (Sarg.) E.J.Palmer variety proparte synonym Crataegus ×notha Sarg. species accepted Crataegus necopinata Pojark. species accepted Crataegus warneri Sarg. species accepted Crataegus neosmithii Sarg. species doubtful Crataegus vicana Beadle species synonym Crataegus ×kyrtostyla subsp. domicensis (Hrabetová) K.I.Chr. subspecies synonym Crataegus ×pseudoalemanniensis R.Doll species synonym Crataegus ×luzinii R.Doll species synonym Crataegus ×araneosa R.Doll species synonym Crataegus ×plagiosepala Pojark. species synonym Crataegus ×werdana R.Doll species synonym Crataegus ×bergiana R.Doll species proparte synonym Crataegus ×dabelowa R.Doll species synonym Crataegus ×heterodonta Pojark. species synonym Crataegus ×monoli R.Doll species synonym Crataegus ×viidumaegica Cinovskis species doubtful Crataegus ×silicensis (Hrabetová) Baranec species synonym Crataegus tanaitica Klokov species doubtful Crataegus ×insularis Cinovskis species proparte synonym Crataegus ×feldbergii R.Doll species doubtful Crataegus ×latvica Cinovskis species proparte synonym Crataegus ×maritima Cinovskis species proparte synonym Crataegus ×raavadensis Raunk. species synonym Crataegus ×osiliensis Cinovskis species accepted Crataegus ×curcina R.Doll species synonym Crataegus ceratocarpa Kossych species doubtful Crataegus ×fallacina Klokov species synonym Crataegus amplifica Sarg. species doubtful Crataegus consueta Sarg. species doubtful Crataegus inops Beadle species synonym Crataegus tenuis Sarg. species doubtful Crataegus napaea Sarg. species doubtful Crataegus tribulosa Sarg. species doubtful Crataegus neofaxonii Sarg. species doubtful Crataegus dissociabilis Sarg. species doubtful Crataegus przewalskii Pojark. species doubtful Crataegus sericeus Dzekov species doubtful Crataegus propixa Sarg. species doubtful Crataegus gratiosa Sarg. species doubtful Crataegus ampliata Sarg. species doubtful Crataegus rivalis Sarg. species doubtful Crataegus tardiflora Sarg. species doubtful Crataegus pratensis Sarg. species synonym Crataegus monantha Sarg. species synonym Crataegus phaneroneura Sarg. species doubtful Crataegus rhombifolia Sarg. species synonym Crataegus neolondinensis Sarg. species doubtful Crataegus ×daghestanica Gladkova species doubtful Crataegus mollis f. mecocantha Kruschke form synonym Crataegus brachyphylla Sarg. species synonym Crataegus mollis var. gigantea Kruschke variety synonym Crataegus mollis var. champlainensis (Sarg.) Cowles variety synonym Crataegus arkansana Sarg. species synonym Crataegus coccinea var. pubescens Tausch variety synonym Crataegus induta Sarg. species synonym Oxyacantha mollis (Torr. & A.Gray) Lunell species synonym Crataegus mollis f. dumetosa (Sarg.) E.J.Palmer form synonym Crataegus coccinea var. mollis Torr. & A.Gray variety synonym Crataegus albicans Ashe species synonym Crataegus albicans var. tatnalliana (Sarg.) Farw. variety synonym Crataegus gravida Beadle species synonym Crataegus mollis var. tiliifolia Rehder variety synonym Crataegus lacera Sarg. species synonym Crataegus cibaria Beadle species synonym Crataegus pedicellata var. albicans (Ashe) E.J.Palmer variety synonym Mespilus mollis Daniels species synonym Crataegus mollis var. ellwangeriana (Sarg.) Cowles variety synonym Crataegus placens Sarg. species synonym Crataegus biltmoreana Beadle species synonym Crataegus stonei Sarg. species synonym Crataegus shuswapensis J.B.Phipps & O'Kennon species accepted Crataegus bristolensis Sarg. species doubtful Crataegus amoena Sarg. species heterotypic synonym Crataegus pulcherrima Ashe species accepted Crataegus oxyacantha var. paulii Rehder variety synonym Crataegus darvasica Pojark. species synonym Crataegus strongylophylla Sarg. species doubtful Crataegus leonensis E.J.Palmer species accepted Crataegus ferganensis Pojark. species accepted Crataegus ×dsungarica Zabel ex Lange species accepted Crataegus dshungarica Zabel ex Lange species synonym Crataegus ×almaatensis Pojark. species synonym Crataegus digna Sarg. species doubtful Crataegus schisticola Gand. species doubtful Crataegus castlegarensis J.B.Phipps & O'Kennon species accepted Crataegus propinqua Ashe species doubtful Crataegus ×spatiosa Sarg. species accepted Crataegus ambigens Sarg. species doubtful Crataegus ulotricha Pojark. ex Gladkova species accepted Crataegus rimosiformis Murrill species doubtful Crataegus turnerorum Enquist species accepted Crataegus limata Beadle species synonym Crataegus dissimilis Sarg. species doubtful Crataegus nemorosa Sarg. species doubtful Crataegus villaris Beadle species synonym Crataegus dallasiana Sarg. species synonym Crataegus frugalis Beadle species synonym Crataegus propensa Sarg. species doubtful Crataegus gilva Beadle species synonym Crataegus ridgwayi Sarg. species doubtful Crataegus ×treleasei Sarg. species synonym Crataegus nelsonii Eggl. species synonym Crataegus diaphora Sarg. species doubtful Crataegus villicarpa Sarg. species synonym Crataegus podophylla Gand. species doubtful Crataegus lacrimata Small species accepted Crataegus obesa Ashe species synonym Crataegus ×zangezura Pojark. species accepted Crataegus promissa Sarg. species doubtful Crataegus grandifolia J.B.Phipps species accepted Crataegus grandifolia var. potosina J.B.Phipps variety synonym Crataegus amara Ashe species doubtful Crataegus hupehensis Sarg. species accepted Crataegus hupehensis var. flavida S.Y.Wang variety synonym Crataegus cristata Ashe species doubtful Crataegus limaria Sarg. species synonym Crataegus flavescens Bosc species doubtful Crataegus sheila-phippsiae J.B.Phipps & O'Kennon species accepted Crataegus trahax Ashe species doubtful Crataegus succulenta Schrad. ex Link species accepted Crataegus succulenta var. membranacea (Sarg.) E.J.Palmer variety synonym Crataegus paucilobata Sennen species doubtful Crataegus poiretiana DC. species synonym Crataegus levis Sarg. species synonym Crataegus prominens Sarg. species doubtful Crataegus letchworthiana Sarg. species synonym Crataegus amabilis Ashe species doubtful Crataegus attrita Beadle species synonym Crataegus fucosa Sarg. species doubtful Crataegus retrusa Ashe species doubtful Crataegus succulenta var. laxiflora (Sarg.) Kruschke variety synonym Crataegus succulenta var. michiganensis (Ashe) E.J.Palmer variety synonym Crataegus pisifera Sarg. species synonym Crataegus ardua Sarg. species synonym Crataegus succulenta var. pertomentosa (Ashe) E.J.Palmer variety proparte synonym Crataegus halliana Sarg. species synonym Crataegus laxiflora Sarg. species synonym Crataegus florifera var. mortonis (Laughlin) Kruschke variety synonym Crataegus macracantha var. divida (Sarg.) Kruschke variety synonym Crataegus succulenta var. pisifera (Sarg.) Kruschke variety synonym Crataegus chrysocarpa var. bicknellii (Eggl.) E.J.Palmer variety synonym Crataegus florifera Sarg. species accepted Crataegus sonnenbergensis Sarg. species synonym Crataegus macracantha var. integriloba (Sarg.) Kruschke variety synonym Crataegus leucantha Laughlin species synonym Crataegus macracantha var. colorado (Ashe) Kruschke variety synonym Crataegus succulenta var. rutila (Sarg.) Kruschke variety synonym Crataegus venulosa Sarg. species synonym Crataegus columbiana var. occidentalis (Britton) Dorn variety synonym Crataegus florifera var. celsa (Sarg.) Kruschke variety synonym Crataegus saeva Sarg. species synonym Crataegus virilis Sarg. species synonym Crataegus succulenta var. occidentalis (Britton) E.J.Palmer variety heterotypic synonym Mespilus succulenta (Schrad. ex Link) Wenz. species synonym Crataegus rotundifolia var. succulenta Dippel variety synonym Crataegus macracantha var. pertomentosa (Ashe) Kruschke variety proparte synonym Crataegus florifera var. shirleyensis (Sarg.) Kruschke variety synonym Crataegus gemmosa Sarg. species synonym Crataegus succulenta var. gemmosa (Sarg.) Kruschke variety synonym Crataegus ambrosia Sarg. species synonym Crataegus ferta Sarg. species synonym Crataegus mortonis Laughlin species synonym Crataegus pertomentosa Ashe species synonym Crataegus florifera var. virilis (Sarg.) Kruschke variety synonym Crataegus barbata Sarg. species doubtful Crataegus ignea Sarg. species doubtful Crataegus tortuosa Sarg. species doubtful Crataegus deweyana Sarg. species doubtful Crataegus proctoriana Sarg. species doubtful Crataegus gracilipes Sarg. species doubtful Crataegus altrix Ashe species doubtful Crataegus quaesita Beadle species synonym Crataegus dodgei Ashe species accepted Crataegus dodgei var. dodgei variety synonym Crataegus dodgei var. flavida (Sarg.) P.G.Sm. & J.B.Phipps variety synonym Crataegus crassifolia Sarg. species synonym Crataegus dodgei var. rotundata (Sarg.) Kruschke variety synonym Crataegus rotundata Sarg. species synonym Crataegus flavida Sarg. species synonym Crataegus minutiflora Sarg. species synonym Crataegus delosii Sarg. species synonym Crataegus mercerensis Sarg. species synonym Crataegus crocata Ashe species synonym Crataegus fusca Sarg. species doubtful Crataegus reses Ashe species doubtful Crataegus polyclada Sarg. species doubtful Cotoneaster aestivalis (Walter) Wenz. species synonym Cotoneaster aestivalis f. angustifolia A.Gray ex Wenz. form synonym ×Crataegomespilus asnieresii (Koehne) C.K.Schneid. species synonym Ostinia oxyacantha (L.) Clairv. species proparte synonym Cerasus elliptica (Thunb.) Loisel. species heterotypic synonym Anthomeles stipulosa (Kunth) M.Roem. species proparte synonym Anthomeles opaca (Hook. & Arn.) M.Roem. species synonym Anthomeles sanguinea (Pall.) M.Roem. species synonym Anthomeles flexispina (Moench) M.Roem. species synonym Anthomeles subserrata (Benth.) M.Roem. species synonym Mespilus badiata Bosc species synonym Mespilus stipulacea Desf. ex Steud. species synonym Mespilus coccinea (L.) Marshall species heterotypic synonym Mespilus caucasica (K.Koch) K.Koch species synonym Mespilus xalapensis K.Koch species doubtful Mespilus brevispina (Kunze) E.H.L.Krause species synonym Mespilus nana Dum.Cours. species synonym Mespilus ×dissecta Dum.Cours. species doubtful Mespilus cosansasi K.Koch species synonym Mespilus quitensis (Benth.) K.Koch species doubtful Mespilus odorata H.L.Wendl. species synonym Mespilus pyracanthifolia Sweet species doubtful Mespilus sinaica (Boiss.) K.Koch species synonym Mespilus crus-galli var. lucida (Mill.) Castigl. variety synonym Mespilus pycnoloba (Boiss. & Heldr.) K.Koch species synonym Mespilus germanica f. asnieresii Koehne form synonym Mespilus ×dispessa (Ashe) Daniels species synonym Mespilus tiliifolia (K.Koch) K.Koch species synonym Mespilus coccinea var. viridis (L.) Castigl. variety synonym Mespilus orientalis Hablitz species doubtful Mespilus chapmanii (Beadle) Daniels species synonym Mespilus loddigesiana Spach species synonym Mespilus berberifolia (Torr. & A.Gray) K.Koch species synonym Mespilus maxima Dum.Cours. species synonym Mespilus mexicana (Sessé & Moc. ex DC.) D.Don species synonym Mespilus campestris (Britton) Daniels species doubtful Mespilus prunellifolia Bosc species homotypic synonym Mespilus arborescens (Elliott) K.Koch species synonym Mespilus ovalis Donn species doubtful Mespilus trifoliata Bosc species doubtful Mespilus stricta K.Koch ex Dippel species doubtful Mespilus biltmoreana (Beadle) Daniels species synonym Mespilus sauguinea Matsum. species doubtful Mespilus wendlandii Opiz species synonym Mespilus depressa (C.Presl) K.Koch species doubtful Mespilus quinqueloba Bosc species doubtful Mespilus cuneifolius Marshall species doubtful Mespilus dahurica Hort.Dieck. species synonym Mespilus peruviana (K.Koch) K.Koch species doubtful Mespilus triloba (Poir.) Poir. species proparte synonym Mespilus viridis Sweet species heterotypic synonym Mespilus bosciana Spach species synonym Mespilus leucophloeos (Moench) K.Koch species synonym Mespilus ovalifolia Hornem. species synonym Mespilus nitida (Engelm. ex Britton & N.E.Br.) Daniels species synonym Mespilus pectinata Dum.Cours. species synonym Mespilus populifolia (Walter) Poir. species synonym Mespilus myrtifolia (C.Presl) K.Koch species doubtful Mespilus poiretiana Sweet species synonym Mespilus flavescens Bosc species doubtful Mespilus fontanesiana Spach species synonym Mespilus glandulosa Willd. species synonym Mespilus eggertii (Britton) Daniels species doubtful ×Crataemespilus brunii L.L.Daniel species doubtful ×Crataemespilus langei Seelinger species doubtful ×Crataemespilus bonnieri L.L.Daniel species doubtful Crataemespilus dardari var. asnieresii (Koehne) Rehder variety synonym Crataemespilus dardari f. crataegoides Zabel form synonym Crataegus monogyna × rhipidophylla species synonym Crataegus laevigata x rhipidophylla species accepted Crataegus rhipidophylla nothosubsp. zlatnensis (Petauer) Kerguélen subspecies synonym Crataegus nigra f. borosii Ker.-Nagy & D.Bartha form synonym Crataegus laevigata x monogyna species accepted Crataegus calycina var. calycina variety synonym Crataegus laciniata × monogyna subsp. azarella species doubtful Crataegus crus-galli x pubescens fo. stipulacea species accepted Crataegus laevigata × rhipidophylla species synonym Mespilus odorata J.C.Wendl. species doubtful Crataegus nigra f. karpatii Ker.-Nagy & D.Bartha form synonym Crataegus calycina Lindm. species heterotypic synonym Crataegus glandulosa Aiton species synonym Crataegus ×ruscinonensis Gren. species accepted Crataegus coccinea subsp. eglandulosa Schuette subspecies synonym Crataegus ariifolia Kalen. species doubtful Crataegus ×cogswellii K.I.Chr. & T.A.Dickinson species accepted Crataegus rhombea Bosc species doubtful Crataegus mackenziei Sarg. ex Mack., 1902 species accepted Crataegus eglandulosa Hay, 1903 species accepted Crataegus oxyacantha-germanica Gillot, 1877 species accepted Crataegus decipiens Hay, 1903 species accepted Crataegus coccinea var. ellwangeriana (Sarg.) Eggl. variety synonym Crataegus rubrinervis subsp. aberrans Lange subspecies synonym Crataegus eriocarpa Lindl. species heterotypic synonym Crataegus ×macrocarpa var. belanensis Hrabetová variety synonym Crataegus dapsilis Beadle species synonym Crataegus rosiformis Janka species synonym Crataegus ×media f. aurea (C.K.Schneid.) P.D.Sell form synonym Mespilus lucida subsp. angustifolia Ehrh. subspecies synonym Crataegus berberifolia subsp. edita (Sarg.) E.J.Palmer subspecies synonym Crataegus brevispina var. microphylla (Csató) Ker.-Nagy variety synonym Crataegus raadvadensis Raunk. species synonym Crataegus ×media f. laciniata (Wallr.) P.D.Sell form synonym Crataegus ×degeni subsp. monogynoides (Zsák) Ker.-Nagy, 2010 subspecies synonym Crataegus monogyna var. sericea Dzekov variety synonym Mespilus elliptica (Aiton) Poir. species synonym Crataegus ×macrocarpa var. cebinensis Hrabetová variety synonym Crataegus ×subsphaerica subsp. domicensis (Hrabetová) P.A.Schmidt subspecies synonym Crataegus curvisepala var. aceriformis Hrabetová variety synonym Crataegus altaica Lodd. species heterotypic synonym Mespilus monogyna (Jacq.) Sm., 1809 species homotypic synonym Crataegus monogyna var. microphylla Csató variety synonym Crataegus pseudooxyacantha Cinovskis species synonym Crataegus arkansana subsp. dumetosa (Sarg.) Kruschke subspecies synonym Crataegus oxyacantha var. eriocarpa Lindl. ex Loudon variety heterotypic synonym Crataegus ×mordensis Boom species accepted Crataegus poplavskii Tzvelev species accepted Mespilus glandulosa Dum.Cours. species synonym Crataegus forbesiae Sarg. species accepted Crataegus jesupiae Sarg. species accepted Oxyacantha jesupiae (Sarg.) Nieuwl. species synonym Crataegus monogyna f. trilobata Nyár. ex Buia form synonym Crataegus silvicola var. beckwithii (Sarg.) Eggl. variety synonym Crataegus ×kyrtostyla var. domicensis (Hrabetová) K.I.Chr. variety synonym Crataegus punctata f. canescens (Britton) Kruschke form synonym Crataegus pedicellata f. assurgens (Sarg.) Kruschke form synonym Crataegus leiophylla Sarg. species synonym Crataegus crus-galli f. rubens (Sarg.) E.J.Palmer form synonym Crataegus crus-galli f. oblongata (Sarg.) E.J.Palmer form synonym Crataegus crus-galli var. berberifolia Sarg. variety synonym Crataegus columbiana var. columbiana variety synonym Crataegus punctata var. aurea Aiton variety synonym Crataegus monogyna var. monogyna variety synonym ×Crataegomespilus dardari f. asnieresii (Koehne) Rehder form synonym Crataegus intricata var. fortunata (Sarg.) Lance variety synonym Crataegus ×sinaica subsp. sinaica subspecies synonym Crataegus brazoria var. brazoria variety synonym Crataegus mollis f. mollis form synonym Crataegus chrysocarpa f. chrysocarpa form synonym Crataegus brainerdii var. brainerdii variety synonym Crataegus beata var. beata variety synonym Crataegus douglasii var. douglasii variety synonym Crataegus aronia Decne., 1835 species accepted Crataegus aronia var. aronia variety synonym Crataegus viridis f. viridis form synonym Crataegus alemanniensis Cinovskis species synonym Crataegus sanguinea var. sanguinea variety synonym Crataegus ×kyrtostyla subsp. kyrtostyla subspecies synonym Crataegus media nothovar. media variety synonym Crataegus punctata f. punctata form synonym Crataegus pruinosa f. pruinosa form synonym Crataegus pedicellata var. pedicellata variety synonym Crataegus oxyacantha subsp. oxyacantha subspecies synonym Crataegus orientobaltica Cinovskis species synonym Crataegus margarettae f. margarettae form synonym Crataegus macracantha var. macracantha variety synonym Crataegus brunetiana var. brunetiana variety synonym Crataegus flava Hook. species proparte synonym Crataegus filipes Eggl. species doubtful Crataegus chrysocarpa var. fernaldii (Sargent) E.J.Palmer variety synonym Mespilus monogyna var. glastonburiensis Gray variety synonym Crataegus monogyna var. eriocarpa (Lindl. ex Loudon) Hegi variety heterotypic synonym Crataegus korolkowii L.Henry species heterotypic synonym Crataegus azarolus Hohen. species synonym Mespilus oxyacantha var. laciniata Wallr. variety heterotypic synonym Crataegus spathulata Pursh species heterotypic synonym Crataegus chrysocarpa var. phoenicea E.J.Palmer ex J.B.Phipps variety synonym Crataegus oxyacantha var. alboplena Bean variety synonym Crataegus flabellata (Bosc ex Spach) G.Kirchn. species synonym Mespilus cordata (Mill.) Pott species synonym Crataegus splendens Lodd. species doubtful Crataegus cirrata Ashe species heterotypic synonym Mespilus azarolus (L.) Castigl. species heterotypic synonym Crataegus ×macrocarpa subsp. calciphila (Hrabetová) Hrabetová subspecies proparte synonym Crataegus monogyna var. paulii Rehder variety synonym Crataegus acutiloba (Lesq.) Knowlt. species doubtful Crataegus pinnatifida var. geholensis C.K.Schneid. variety synonym Crataegus sanguinea var. inermis Kar. & Kir. variety synonym Crataegus oxyacantha var. monogyna (Jacq.) Loudon variety synonym Crataegus korolkowii Regel ex Zabel species synonym Mespilus parviflora (Sol.) Dum.Cours. species synonym Mespilus monogyna var. decussata Wallr. variety synonym Crataegus calpodendron (Ehrh.) Borkh. species synonym Crataegus gattingeri var. gattingeri variety synonym Crataegus lobata Loudon species synonym Crataegus sanguinea var. chlorocarpa (Lenné & K.Koch) C.K.Schneid. variety synonym Mespilus eriocarpa Desf. species doubtful Crataegus ×apiifolia Rchb. species synonym Crataegus azarolus subsp. triloba (Poir.) Nyman subspecies proparte synonym Crataegus tomentosa G.B.Emers. species heterotypic synonym Crataegus khatamsazae Hamzehee, K.I.Chr. & Attar species accepted Crataegus ×subsphaerica var. domicensis (Hrabetová) K.I.Chr. variety synonym Mespilus rotundifolia Du Roi species doubtful Crataegus spectabilis Salisb. species doubtful Crataegus depressa C.Presl species doubtful Crataegus oxyacantha var. kyrtostyla (Fingerh.) Rouy & E.G.Camus variety homotypic synonym Crataegus oxyacantha var. caucasica K.Koch variety heterotypic synonym Crataegus flexispina Borkh. species doubtful Crataegus monogyna f. polyacantha (Jan ex Guss.) Gand. form synonym Crataegus oxyacantha Walter species synonym Crataegus monogyna f. semperflorens (André) C.K.Schneid. form synonym Mespilus michauxii Hornem. species heterotypic synonym Crataegus villipes (Ashe) Ashe ex Gruber species synonym Crataegus polyacantha (Jan ex Guss.) Nyman species synonym Mespilus monogyna f. stricta (K.Koch) K.Koch form synonym Crataegus lassa var. integra (Nash) Lance variety synonym Crataegus oxyacantha var. saccardyana Maire variety synonym Crataegus monogyna f. trifida (Wallr.) Beck form synonym Mespilus monogyna var. trifida Wallr. variety synonym Crataegus pulcherrima var. opima (Beadle) Lance variety synonym Crataegus incisa hort. ex Lavallée, 1877 species accepted Crataegus ×macrocarpa subsp. hercynica Hrabetová subspecies synonym Crataegus laciniata var. lasiocarpa (Lange) Lange variety synonym Crataegus salicifolia J.Gordon, Dermer & R.Edmonds species synonym Sorbus obtusata (Spach) Heynh. species synonym Crataegus monogyna f. denudata (Schumach.) Beck form synonym Mespilus pyrifolia Desf. species doubtful Crataegus incisa Lange ex Dippel species doubtful Mespilus sanguinea (Pall.) Dum.Cours., 1811 species homotypic synonym Crataegus inermis Sennen species synonym Crataegus oxyacantha var. microphylla Rouy & E.G.Camus variety heterotypic synonym Crataegus alabamensis var. florens (Beadle) Lance variety synonym Mespilus monogyna var. elegans (Poir.) K.Koch variety synonym Cotoneaster arborescens (Elliott) Wenz. species synonym Crataegus tomentosa Du Roi species heterotypic synonym Crataegus oxyacantha f. aurea C.K.Schneid. form synonym Crataegus oxyacantha var. maura (L.fil.) Batt. variety synonym Crataegus coccinea Eggl. species doubtful Crataegus sanguinea var. glabra Maxim. variety synonym Crataegus quaesita var. egens (Beadle) Lance variety synonym Mespilus linearis Poir. species synonym Crataegus jonkeri Burgh species doubtful Mespilus oxyacantha var. triloba (Poir.) Wenz. variety synonym Crataegus rivularis Nutt. species synonym Mespilus punctata (Jacq.) Loisel. species synonym Crataegus flabellata Bosc ex M.Roem. species synonym Mespilus oxyacantha (L.) Desf. species synonym Crataegus scorna Sarg. species doubtful Crataegus shaferi Ashe, 1902 species accepted Crataegus monogyna var. pteridifolia (Lodd. ex Loudon) Rehder variety synonym Crataegus monogyna var. laciniata Ledeb. variety heterotypic synonym Crataegus oxyacantha var. supravillosa Maire variety synonym Crataegus monogyna var. latimonogyna Pénzes variety synonym Crataegus altaica Ledeb. species synonym Crataegus monogyna var. intermedia (Asch. & Graebn.) Gams variety heterotypic synonym Crataegus monogyna f. pendula (Lodd. ex Loudon) Rehder form synonym Crataegus monogyna var. csatoi Pénzes variety synonym Mespilus mexicana Loudon species doubtful Crataegus sanguinea var. incisa Regel variety synonym Crataegus ×decipiens Peterm. species synonym Crataegus brevispina Douglas ex Steud. species heterotypic synonym Mespilus laciniata Walter species heterotypic synonym Crataegus pseudosanguinea Popov ex Poyarkova, 1971 species doubtful Mespilus oliveriana Poir. species heterotypic synonym Crataegus lucida Mill. species heterotypic synonym Crataegus densiflora Sarg. species synonym Mespilus cuneata Wender. species doubtful Crataegus flava Darl. species synonym Crataegus azarolus var. ruscinonensis P.Fourn. variety synonym Crataegus parviflora Lojac. species synonym Crataegus acuticarpa (C.Reid & E.Reid) E.Reid species doubtful Mespilus flava (Aiton) Dum.Cours. species synonym Mespilus melanocarpa Fisch. ex Bunge species doubtful Crataegus caesa Sarg. species doubtful Crataegus splendens Wender. species synonym Crataegus ×kyrtostyla K.I.Chr. species doubtful Crataegus monogyna f. schizophylla Beck form synonym Crataegus villosa Peterm. species synonym Crataegus monogyna f. karpatii Pénzes form synonym Crataegus ×masovica Sanio species synonym Crataegus limophila Sarg. species synonym Crataegus recurvata Beadle species synonym Crataegus beckwithiae Sarg. species synonym Crataegus mackenziei var. bracteata (Sarg.) E.J.Palmer variety synonym Crataegus mackenziei var. aspera (Sarg.) E.J.Palmer variety synonym Crataegus pruinosa var. pachypoda (Sarg.) E.J.Palmer variety synonym Crataegus caliciglabrata Schuette species synonym Crataegus calpodendron var. hispida (Sarg.) E.J.Palmer variety synonym Crataegus bullatus Boiss. species accepted Crataegus margarettiae Ashe species synonym Crataegus margarettiae var. brownii (Britton) Sarg. variety synonym Crataegus margarettiae var. angustifolia E.J.Palmer variety synonym Crataegus margarettiae var. meiophylla (Sarg.) E.J.Palmer variety synonym Crataegus jonesiae Sarg. species accepted Crataegus jonesiae var. harryi (Sarg.) Kruschke variety synonym Crataegus jonesiae var. brownietta (Sarg.) Kruschke variety synonym Crataegus incisa Lange species homotypic synonym Crataegus tilliaefolia K.Koch species synonym Crataegus paramoena Sargent species synonym Crataegus eamesii Sarg. species synonym ×Crataegomespilus dardari Simon-Louis species doubtful Crataegus acerifolia J.Godr. et al. species synonym Crataegus tomentosa DuRoi species synonym Oxyacantha howelliae (Heiser) Lunell species synonym Crataegus khatamsaziae Hamzehee et al. species synonym Crataegus pruinosa var. georgiana (Sarg.) J.B.Phipps variety synonym Crataegus macracantha var. succulenta (Schrad. ex Link) Eggl. variety heterotypic synonym Crataegus pedicellata var. serrata (Sarg.) Kruschke variety synonym Crataegus crus-galli DuRoi species synonym Mespilus tanacetifolia Lam. species synonym Crataegus monogyna subsp. mongyna Jacq. subspecies synonym Crataegus sericea var. spec variety homotypic synonym Crataegus laevis Sarg. species synonym Crataegus monogyna var. ronnigeri K.Malý variety synonym Crataegus davisiae Browicz species synonym Crataegus salicifolia J.Godr. et al. species synonym Crataegus davisiae Sarg. species synonym Crataegus monogyna var. intermedia (Schur) Hegi variety synonym Crataegus songarica Regel species synonym Mespilus crus-galli (L.) DuRoi species synonym Mespilus elliptica Guimpel et al. species synonym Crataegus atavina Heer, 1883 species accepted Crataegus engelhardti Lesquereux, 1888 species accepted Crataegus monogyna var. insularis Briq. variety synonym Crataegus gregorianii Gabrieljan & Sargsyan species accepted Crataegus coccineaefolia Berry, 1907 species accepted Crataegus antiqua Heer, 1868 species accepted Crataegus marcouiana Lesquereux, 1888 species accepted Crataegus betulaefolia Lesquereux, 1888 species accepted Crataegus tranquillensis Penhallow, 1908 species accepted Crataegus monogyna var. foucaudii Briq. variety synonym Crataegus laurenciana Lesquereux, 1891 species accepted Crataegus tulameensis Penhallow, 1908 species accepted Crataegus myricoides Lesquereux, 1888 species accepted Crataegus monmouthensis Berry, 1907 species accepted Crataegus pedicellata Sarg. species heterotypic synonym Crataegus oxyacantha var. lagenariformis Bornm. variety proparte synonym Crataegus monogyna f. microcarpa Kobendza form synonym Crataegus monogyna var. trifida (Wallr.) Murr variety synonym Crataegus monogyna var. fastigiata Lauche variety synonym Crataegus monogyna var. laciniata (Ucria) Kerguélen variety proparte synonym Crataegus monogyna var. reginae Lauche variety synonym Crataegus monogyna var. laciniata Lauche variety heterotypic synonym Oxyacantha monogyna var. decussata (Wallr.) M.Roem. variety synonym Crataegus cosansazi Herb.Lugduno-Batavi ex K.Koch species synonym Crataegus monogyna var. kyrtostyla (Fingerh.) Simonk. variety synonym Crataegus monogyna var. lasiocarpa (Lange) K.I.Chr. variety proparte synonym Crataegus monogyna subsp. pinnatifida Hartm. subspecies synonym Mespilus coccinea (L.) Moench species heterotypic synonym Crataegus monogyna var. punicea Bogenh. variety synonym Crataegus monogyna var. flexuosa Lauche variety synonym Crataegus monogyna f. roseiflora V.Rastetter, 1966 form synonym Crataegus oxyacantha var. monogyna (Jacq.) Moritzi variety synonym Crataegus coccinea var. cornifolia Münchh. variety synonym Crataegus monogyna var. intermedia (Fuss) Vollm. variety heterotypic synonym Crataegus monogyna var. stricta Lauche variety synonym Crataegus monogyna var. fissa (Poir.) Lauche variety synonym Crataegus ×krima R.Doll species synonym Crataegus coccinea var. spina-sancta Merrem variety synonym Pyrus obtusata (Spach) Steud. species synonym Pyrus glandulosa Moench species synonym Phaenopyrum wendlandii (Opiz) M.Roem. species synonym Phaenopyrum pruinosum (H.L.Wendl.) M.Roem. species synonym Phaenopyrum mexicanum (Moc. & Sessé ex DC.) M.Roem. species synonym Phaenopyrum hirsutum M.Roem. species synonym Phaenopyrum viride (L.) M.Roem. species synonym Phaenopyrum populifolium (Walter) M.Roem. species synonym Phaenopyrum coccineum (L.) M.Roem. species synonym Phaenopyrum subvillosum (Schrad. ex Torr. & A.Gray) M.Roem. species proparte synonym Phaenopyrum nigrum (Waldst. & Kit.) M.Roem. species synonym Phaenopyrum spathulatum (Michx.) M.Roem. species synonym Pyrus scabrifolia Franch. species synonym Phaenopyrum carolinianum (Pers.) M.Roem. species synonym Phaenopyrum arborescens (Elliot) M.Roem. species synonym Phaenopyrum acerifolium (Burgsd.) M.Roem. species synonym Phaenopyrum cordatum (Aiton) M.Roem. species synonym Phaenopyrum trewianum (Tausch) M.Roem. species synonym Pyrus azarolus (L.) Scop. species synonym Phaenopyrum virginicum (Lodd. ex Loudon) M.Roem. species synonym Phaenopyrum ellipticum (Aiton) M.Roem. species synonym Phaenopyrum tanacetifolium (Poir.) M.Roem. species synonym Phaenopyrum parvifolium (Aiton) M.Roem. species synonym Phaenopyrum uniflorum (Du Roi) M.Roem. species synonym Phaenopyrum corallinum (Desf.) M.Roem. species synonym Aria obtusata (Spach) M.Roem. species synonym Crataegus aurea species doubtful Crataegus wilkinson Ashe, 1903 species accepted Crataegus wendlandii Lavallée species doubtful Crataegus alpestris K.Koch species synonym Crataegus urasina species synonym Crataegus acanea hort. ex Lavallée, 1877 species doubtful Crataegus transylvanica M.Roem. species doubtful Mespilus crus-galli var. prunifolia (Torr. & A.Gray) Wenz., 1874 variety synonym Crataegus succulenta var. rhombifolia (Sarg.) Eggl. variety synonym Crataegus ×subsphaerica Gand. species accepted Crataegus suaevis Sarg., 1908 species accepted Crataegus stricta Starcs species doubtful Crataegus straminea var. bissellii Eggl. variety synonym Crataegus spes-aestatum J.B.Phipps species accepted Crataegus sicula K.Koch species synonym Crataegus sheridana A.Nelson species synonym Crataegus rosea DC. species doubtful Crataegus rhipidophylla var. browicziana (K.I.Chr.) Dönmez variety synonym Crataegus curvisepala var. angustiloba Petauer variety synonym Crataegus curvisepala var. latiloba Petauer variety synonym Crataegus curvisepala var. naviculiformis Petauer variety synonym Crataegus ×uhrovae var. subcurvisepala (Cinovskis) Cinovskis variety synonym Crataegus purpurea var. altaica Loudon variety synonym Crataegus pseudazarolus Popov species accepted Mespilus coccinea var. oligandra (Torr. & A.Gray) Wenz., 1874 variety synonym Mespilus coccinea var. populifolia (Elliott) Wenz., 1874 variety homotypic synonym Mespilus constantinopolitana Poir. species synonym Mespilus cordifolia Mill. species synonym Crataegus pomasae H.Lév. species heterotypic synonym Crataegus pinshow species synonym Crataegus pinschaw hort. ex Lavallée, 1877 species doubtful Mespilus esquirolii H.Lév. species doubtful Crataegus philippii Koehne species synonym Crataegus peshmenii Dönmez species accepted Mespilus latifolia Poir. species synonym Mespilus monogyna var. apiifolia (Marshall) K.Koch variety synonym Mespilus pyriformis M.Roem. species synonym Mespilus salicifolia K.Koch species synonym Crataegus oliviformis species accepted Crataegus noveboracensis Sargent species synonym Crataegus nivea Ten. species doubtful Crataegus nikotinii Essenova species accepted Crataegus neocanbyi Sarg. species doubtful Crataegus neapolitana hort. ex Lavallée, 1877 species doubtful Crataegus monstrosa hort. ex Lavallée, 1877 species doubtful Crataegus mespilifolia species synonym Crataegus mauriannensis (Didier) Rouy & E.G.Camus species synonym Crataegus mandshurica Maxim. species synonym Crataegus macnabiana Lavallée species synonym Crataegus linearifolia species doubtful Crataegus limatula Sarg. species synonym Crataegus leiophylla var. maineana (Sarg.) Eggl. variety synonym Crataegus layii hort. ex Lavallée, 1877 species doubtful Crataegus ×lambertiana Lange species accepted Crataegus intermixa Sarg., 1922 species synonym Crataegus filicifolia hort. ex Kochne, 1893 species accepted Crataegus fastigiata species doubtful Crataegus drymophila Sarg. species synonym Crataegus downingii Anon. species doubtful Crataegus ×degenii Zsak species synonym Crataegus crus-galli var. regalis (Beadle) J.B.Phipps variety synonym Crataegus cosansasi K.Koch species synonym Crataegus corallina Pers. species synonym Crataegus coccinea var. cuneata Wender. variety synonym Crataegus clarkei Hook.fil. species accepted Crataegus chrysocarpa var. brunetiana (Sarg.) Kruschke variety synonym Crataegus christensenii Dönmez species accepted Crataegus caucasica K.Koch species accepted Crataegus californica hort. ex Lavallée, 1877 species doubtful Oxyacantha rigida Starcs species synonym Crataegus boscii hort. ex Lavallée, 1877 species doubtful Crataegus bipinnatifida Wila species doubtful Crataegus beckeriana Pojark. species synonym Crataegus heldebergensis Sargent species synonym Crataegus ×oxyacanthoides var. cuneatiformis Druce variety synonym Crataegus ×oxyacanthoides subsp. calciphila (Hrabetová) Á.Löve & D.Löve subspecies synonym Crataegus korolkowii var. flava Popov variety synonym Crataegus korolkowii var. rubescens Popov variety synonym Oxyacantha azarolus (L.) Bubani species synonym Oxyacantha calpodendron (Ehrh.) Nieuwl. species synonym Oxyacantha dioscoridis Bubani species synonym Oxyacantha howellii (Heiser) Lunell species doubtful Oxyacantha macrocarpa (Hegetschw.) M.Roem. species synonym Oxyacantha azorella M.Roem., 1847 species doubtful Oxyacantha coccinea (L.) Nieuwl. species synonym Oxyacantha jesupii (Sarg.) Nieuwl. species synonym Oxyacantha rugosa (Ashe) Nieuwl. species synonym Oxyacantha ×media (Bechst.) M.Roem. species synonym Oxyacantha alnorum (Sarg.) Nieuwl. species synonym Oxyacantha brainerdii (Sarg.) Nieuwl. species synonym Oxyacantha crus-galli (L.) Nieuwl. species synonym Oxyacantha succulenta (Schrad. ex Link) Lunell species synonym Halmia flabellata (Bosc ex Spach) M.Roem. species synonym Mespilus prunifolia Poir. species synonym Crataegus arbutifolia Desf. species homotypic synonym Crataegus villosa Dzekov species doubtful Crataegus monogyna var. gumperi Lauche variety synonym Crataegus monogyna subsp. intermedia (Schur) J subspecies proparte synonym Crataegus ×radnoti-gyarmatii Ker.-Nagy species accepted Crataegus punctata var. rubra Aiton variety synonym Oxyacantha monogyna var. acuminata M.Roem. variety synonym Crataegus monogyna var. polonskiana Lonacz. variety synonym Mespilus azarolus subsp. glabra Coss. subspecies homotypic synonym Crataegus lindmanii var. extrasepala Ker.-Nagy, Baranec & D.Bartha variety synonym Mespilus oxyacantha var. moriphylla Wimm. & Grab. variety synonym Crataegus coccinea var. macrocarpa (Anon.) Lavallée variety synonym Crataegus monogyna var. pilifera Merino variety synonym Crataegus oxyacantha subsp. rosea-superba Paxton subspecies synonym Crataegus monogyna var. media (Bechst.) Posp. variety synonym Crataegus acerifolia Lodd. species homotypic synonym Crataegus azarolus var. turcomanica Popov ex Evrein. variety synonym Crataegus coccinea var. maxima Lodd. ex Loudon variety synonym Mespilus oxyacantha var. aciphylla Wimm. & Grab. variety synonym Crataegus silvicola var. beckwithiae (Sarg.) Eggl. variety synonym Crataegus media var. crassa Hrabetová variety homotypic synonym Crataegus brevispina var. contracta (Hrabetová) Ker.-Nagy variety synonym Azarolus crataegoides var. torulosa Roem. variety synonym Crataegus crus-galli var. nana G.Nicholson ex Rehder variety synonym Crataegus oxyacantha var. sicula K.Koch variety synonym Crataegus monogyna f. subintegra Soó form synonym Crataegus pinnatifida f. pubescens Skvortsov form synonym Mespilus oxyacantha var. elegans (Poir.) Mérat variety synonym Mespilus coccinea subsp. populifolia (Torr. & A.Gray) Koehne subspecies synonym Crataegus curvisepala f. submontana Hrabetová form synonym Crataegus monogyna var. hirsuta Boiss. variety synonym Crataegus coccinea var. viridis (L.) L. variety synonym Crataegus monogyna var. punicea Rehder variety synonym Crataegus monogyna f. flore-roseo-pleno Poletiko form synonym Crataegus azarolus var. florifera Risso variety synonym Crataegus ×macrocarpa var. cremnicensis (Hrabetová) Ker.-Nagy variety synonym Mespilus oxyacantha var. monogyna Schmalh. variety synonym Crataegus ×macrocarpa var. nemorensis (Hrabetová) Ker.-Nagy variety synonym Crataegus oxyacantha var. horrida Carrière variety synonym Crataegus monogyna var. praecox A.Henry variety synonym Crataegus monogyna subsp. filicifolia Van Houtte subspecies synonym Crataegus pinnatifida f. betulifolia Nakai form homotypic synonym Crataegus monogyna var. csapodyae Pénzes variety synonym Crataegus rosiformis var. aceriformis (Hrabetová) Ker.-Nagy variety synonym Crataegus monogyna f. intermedia Borza form synonym Mespilus oxyacantha subsp. intermedia Wenz. subspecies synonym Mespilus azarolus subsp. glabra Coss. ex Asch. & Graebn. subspecies synonym ×Crataegomespilus dardari f. crataegoides Zabel form synonym Crataegus monogyna f. punicea (Rehder) C.K.Schneid. form synonym Crataegus oxyacantha subsp. semperflorens André subspecies synonym Mespilus oxyacantha var. praecox Dum.Cours. variety synonym Crataegus tanacetifolia var. monstrosa Lavallée variety synonym Crataegus alnifolia Lavallée species synonym Crataegus tatarica C.K.Schneid. species synonym Crataegus intermedia Fuss species synonym Crataegus ×ninae-celottiae K.I.Chr. & T.A.Dickinson species accepted Spiraea blumei var. maximowiczii (C.K.Schneid.) Dunn variety homotypic synonym Crataegus monogyna var. oliveriana K.Koch variety synonym Crataegus arborescens Späth species synonym Crataegus oxyacantha var. punicea Lodd. ex Loudon variety synonym Crataegus oxyacantha var. incisa Mérat variety heterotypic synonym Crataegus ×celsiana Dippel species synonym Crataegus laciniata Steven species heterotypic synonym Crataegus pinnatifida var. ghoranica Paulsen variety synonym Crataegus maura L.fil. species synonym Mespilus cornifolia Poir. species synonym Mespilus tomentosa (L.) Asch. & Graebn. species synonym Crataegus spathulata Lavallée species synonym Crataegus pyracantha Spach species doubtful Crataegus media Sarg. species heterotypic synonym Crataegus azarolus O.Fedtsch. & B.Fedtsch. species synonym Mespilus elliptica (Aiton) Lam. species synonym Crataegus monogyna var. filicifolia (Koehne) Lange variety synonym Mespilus punctata (Jacq.) Dum.Cours. species synonym Crataegus monogyna Hayek species synonym Crataegus denticulata Hrabĕtová species doubtful Mespilus elliptica K.Koch species doubtful Crataegus heterophylla C.A.Mey. ex Hohen. species doubtful Mespilus cuneifolia Ehrh. species heterotypic synonym Crataegus amelanchier DC. species doubtful Crataegus helenae Sarg. species doubtful Crataegus exigua Ashe species synonym Crataegus viridis var. lutescens (Sarg.) E.J.Palmer variety synonym Mespilus mollis (Torr. & A.Gray) Asch. & Graebn. species synonym Crataegus monogyna var. brevispina (Kunze) Dippel variety synonym Crataegus oreophila Lance species accepted Crataegus aestivalis Tidestr. species heterotypic synonym Crataegus ×carrierei Vauvel ex Carrière species synonym Crataegus maura var. diversifolia Pers. variety synonym Mespilus flexuosa Poir. species heterotypic synonym Crataegus oxyacantha subsp. maura (L.fil.) Maire subspecies synonym Crataegus intermedia Pers. species doubtful Mespilus monogyna var. maura (L.fil.) Wenz. variety synonym Mespilus glabra Colla species doubtful Crataegus oxyacantha var. pinnatifida (Bunge) Regel variety synonym Mespilus coccinea (L.) Mill. species synonym Crataegus pinnatifi da Bunge species accepted Crataegus oxyacantha subsp. macrocarpa (Hegetschw.) Nyman subspecies synonym Crataegus oxyacantha f. macrocarpa (Hegetschw.) C.K.Schneid. form synonym Crataegus fulleriana var. magniflora (Sarg.) J.S.Pringle variety synonym Crataegus monogyna var. dissecta (Borkh.) Gost.-Jak. variety synonym Crataegus oxyacantha subsp. monogyna (Jacq.) Rouy & E.G.Camus subspecies synonym Crataegus oxyacantha var. laevigata (Poir.) H.Lév. variety synonym Crataegus monogyna subsp. heterophylla (Flüggé) Pénzes subspecies synonym Crataegus intricata var. straminea (Beadle) E.J.Palmer variety synonym Crataegus mollis var. dumetosa (Sarg.) Kruschke variety synonym Crataegus platyphylla Lindl. species doubtful Crataegus gracilis Sarg. species doubtful Crataegus parvifolia (Soland.), 1789 species synonym Crataegus oxyacantha f. splendens C.K.Schneid. form synonym Crataegus detectabilis Sarg. species doubtful Crataegus monogyna subsp. tauscheri Gand. subspecies homotypic synonym Crataegus oxyacantha var. plena Weston variety synonym Crataegus monogyna subsp. leiomonogyna (Klokov) Franco subspecies synonym Crataegus brainerdii var. egglestonii (Sargent) B.L.Robinson variety synonym Crataegus oxyacantha var. insegnae (Tineo ex Guss.) Fiori variety synonym Crataegus oxyacantha subsp. microphylla (Lange) Dostál subspecies synonym Crataegus multiflora Lavallée species doubtful Crataegus coccinea var. macracantha Dudley variety heterotypic synonym Crataegus mollis var. dumetosa (Sarg.) Lance variety synonym Crataegus schraderana Ledeb. species synonym Mespilus azarolus var. erythrocarpa Moris variety synonym Crataegus monogyna subsp. jacquinii A.Kern. ex Pénzes subspecies synonym Crataegus mexicana D.Don species synonym Crataegus chlorosarca Koidz. species synonym Mespilus oxyacantha (L.) Gaertn. species synonym Crataegus orientalis Lindl. species synonym Crataegus monogyna var. lanigera Beck variety heterotypic synonym Crataegus monogyna subsp. intermedia Jáv. subspecies synonym Crataegus tomentosa L. species heterotypic synonym Crataegus oxyacantha var. monogyna (Jacq.) Batt. variety synonym Mespilus flabellata Bosc species synonym Crataegus laurentiana var. dissimilifolia Kruschke ex J.B.Phipps variety synonym Crataegus macracantha Koehne species doubtful Crataegus monogyna subsp. azarella (Griseb.) Franco subspecies synonym Crataegus prunifolia J.Gordon, Dermer & R.Edmonds species doubtful Crataegus sanguinea Turcz. species doubtful Mespilus prunellifolia Bosc ex Poir. species synonym Crataegus cordifolia Mill. species synonym Crataegus repentina Beadle, 1910 species accepted Crataegus bastardii Gand. species doubtful Crataegus oxyacantha var. deltoxyacantha Pénzes variety synonym Crataegus flabellata (Bosc ex Spach) C.Koch species synonym Crataegus monogyna var. flabellata Lange variety synonym Crataegus monogyna f. pendula (Lodd. ex Loudon) Dippel form synonym Crataegus smithii Sarg. species synonym Crataegus monogyna f. insegnae (Tineo ex Guss.) Hayek form synonym Crataegus tulameenesis Penh. species doubtful Crataegus calycina subsp. calycina subspecies synonym Mespilus fastigiata K.Koch species homotypic synonym Crataegus dahurica (Dieck) Koehne species accepted Crataegus atropurpurea Steven ex Nyman species doubtful Mespilus heterophylla (Flüggé) Poir. species homotypic synonym Crataegus oxyacantha var. monostyla DC. variety synonym Crataegus tracyi Ashe species accepted Oxyacantha vulgaris var. xanthocarpa M.Roem. variety synonym Crataegus punctata var. aurea Sol. variety synonym Crataegus monogyna var. acutiloba J.Kern. variety synonym Crataegus oxyacantha subsp. monogyna (Jacq.) Syme subspecies synonym Crataegus parvifolia Willd. ex Torr. & A.Gray species heterotypic synonym Crataegus crus-galli f. crus-galli form synonym Crataegus pterifolia Lodd. species synonym Mespilus monogyna (Jacq.) Willd. species synonym Crataegus oxyacantha var. coriacea Maire variety synonym Crataegus monogyna var. insegnae (Tineo ex Guss.) Beck variety synonym Crataegus azarolus Gren. & Godr., 1848 species synonym Crataegus crus-galli Mill. species heterotypic synonym Mespilus monogyna var. azarella (Griseb.) K.Koch variety synonym Crataegus sargentii var. gilva (Beadle) Lance variety synonym Crataegus cuneata Halácsy species heterotypic synonym Mespilus triloba Labill. species synonym Crataegus calycina var. cuneata Diap. variety synonym Crataegus monogyna subsp. calycina (Peterm.) Cajander subspecies synonym Crataegus relicta Beadle, 1910 species accepted Mespilus rivularis Nutt. ex Wenz. species synonym Crataegus monogyna var. halacsyi Hayek variety synonym Crataegus monogyna Ledeb. species synonym Crataegus jacquinii (A.Kern.) DallaTorre & Sarnth. species synonym Crataegus lassa var. recurva (Beadle) Lance variety synonym Crataegus monogyna var. stricta (Loudon) Rehder variety synonym Crataegus oxyacantha var. intermedia (Asch. & Graebn.) Sanio variety synonym Crataegus subvillosa Schrad. ex Walp. species synonym Crataegus tenuior J.B.Phipps species accepted Crataegus monogyna f. decussata (Wallr.) Hegi form synonym Crataegus ×intermixta (Wenz.) Beck species synonym Crataegus ×lindmanii Cinovskis species doubtful Crataegus crus-galli Rigel., 1824 species doubtful Crataegus succulenta Schrad. species synonym Crataegus oxyacantha var. pteridifolia Lodd. ex Loudon variety synonym Crataegus oxyacantha var. brevispina (Kunze) Maire variety synonym Crataegus calycina Franco species synonym Crataegus oxyacantha f. plena (Weston) Rehder form synonym Mespilus azarolus (L.) Spach species synonym Mespilus monogyna var. brevispina (Kunze) Wenz. variety synonym Crataegus pruinosa H.L.Wendl. species accepted Crataegus coccinea L. species accepted Crataegus ×haemocarpa Ashe species doubtful Crataegus ×uhrovae Soó species synonym Crataegus oxyacantha f. paulii (Rehder) Rehder form synonym Crataegus altaica Ledeb. ex Loudon species synonym Mespilus crus-galli (L.) Du Roi species synonym Crataegus sanguinea Nutt. species synonym Crataegus monogyna var. calycina (Peterm.) Buia variety homotypic synonym Crataegus flavescens Bosc ex DC. species doubtful Crataegus gailensis E.Reid species doubtful Crataegus monogyna var. coriacea Podp. variety synonym Crataegus flexuosa (Poir.) DC. species synonym Crataegus oxyacantha var. reginae Loudon variety synonym Crataegus viridis Medik. species heterotypic synonym Crataegus splendens hort. ex Lavallée, 1877 species accepted Mespilus lucida Dum.Cours. species doubtful Crataegus howellii Heiser species doubtful Crataegus prunifolia (Poir.) Bosc ex DC. species synonym Mespilus acerifolia Burgsd. species synonym Crataegus rivularis W.H.Brewer & S.Watson species heterotypic synonym Crataegus oxyacantha var. flore-alba-plena Rodigas variety synonym Crataegus monogyna subsp. insegnae (Tineo ex Guss.) Lange subspecies synonym Crataegus oxyacantha var. stenoloba Maire variety synonym Crataegus kyrtostyla Pojark. species synonym Mespilus monogyna var. splendens Wender. ex K.Koch variety synonym Crataegus cosansazi Herb.Lugduno-Batavi species homotypic synonym Crataegus ×palmstruchii Dostál species synonym Crataegus prunifolia var. splendens (Aiton) Osborn variety synonym Crataegus oxyacantha f. laciniata (Wallr.) Beck form synonym Crataegus triloba Pers. species heterotypic synonym Oxyacantha monogyna var. cuneata (Wallr.) M.Roem. variety synonym Crataegus polyacantha Jan ex Guss. species synonym Crataegus flava Aiton species accepted Mespilus monogyna f. laciniata K.Koch form synonym Crataegus monogyna var. alba-plena Rehder variety synonym Crataegus flabellata (Bosc ex Spach) Rydb. species synonym Crataegus monogyna var. szepesfalvyi Pénzes variety synonym Mespilus cordato Mill. species synonym Crataegus oxyacantha var. laciniata (Ucria) Fiori variety heterotypic synonym Crataegus ×bornmuelleri Zabel species synonym Crataegus oxyacantha var. coccinea-plena Bean variety synonym Crataegus florida Lodd. species doubtful Crataegus stephanostyla H.Lév. & Vaniot species synonym Crataegus microcarpa E.Reid species doubtful Crataegus monogyna subsp. curvisepala (Lindm.) Jáv. & Soó subspecies synonym Mespilus pyrifolia Hayne species synonym Crataegus monogyna f. villosa (Peterm.) Beck form synonym Crataegus angustata Lindm. species doubtful Crataegus parvifolia Sol. species synonym Crataegus monogyna var. maritima Corill. variety synonym Crataegus grossulariifolia Lodd. species doubtful Crataegus monogyna var. azarella (Griseb.) Koehne variety synonym Crataegus prunifolia W.Young species doubtful Crataegus apiifolia Loudon species synonym Crataegus sanguinea var. xanthocarpa Regel variety synonym Mespilus monogyna (Jacq.) Wenz. species synonym Crataegus chlorocarpa Lenné & K.Koch species accepted Crataegus acutiloba Sarg. species heterotypic synonym Mespilus azarolus Marshall species synonym Crataegus panda Ashe species doubtful Crataegus lucida Wangenh. species doubtful Crataegus acerifolia Lesq. species doubtful Crataegus viridis Walter species synonym Crataegus pruinosa (H.L.Wendl.) Beadle species synonym Crataegus cuneifolia Lodd. ex Koehne species doubtful Crataegus monogyna subsp. tauscheri Gand. ex Pénzes subspecies synonym Crataegus tomentosa C.K.Schneid. species doubtful Crataegus latifolia Spach species doubtful Crataegus maroccana Pers. species heterotypic synonym Crataegus laciniata Kar. & Kir. species heterotypic synonym Crataegus monogyna subsp. inermis (Sennen) Sennen subspecies synonym Crataegus monogyna subsp. jacquinii A.Kern. subspecies homotypic synonym Crataegus talyschensis Pojark. ex Ufimov species accepted Crataegus oxyacantha var. praecox Loudon variety synonym Crataegus crus-galli Bigelow species synonym Mespilus monogyna f. horrida (K.Koch) K.Koch form synonym Crataegus aestivalis (Walter) Sarg. species synonym Crataegus monogyna f. stricta (Loudon) Zabel form synonym Crataegus oxyacantha var. obovatocuneatis Ball variety synonym Crataegus monogyna var. mandyi Pénzes variety synonym Crataegus oxyacantha var. erioclada H.Lév. variety synonym Crataegus fontanesiana (Spach) S.Schauer species synonym Myrica latiloba var. acutiloba Lesq. variety synonym Crataegus monogyna var. granatensis (Boiss.) Dippel variety synonym Crataegus wheeleri A.Nelson species doubtful Mespilus flexispina K.Koch species heterotypic synonym Crataegus oxyacantha var. laciniata Regel variety heterotypic synonym Crataegus oxyacantha f. aurea (Loudon) Hegi form synonym Crataegus newberryi Cockerell species doubtful Crataegus oxyacantha subsp. inzengae (Tineo ex Guss.) Fiori subspecies synonym Crataegus azarolus var. ruscinonensis (Gren. & Blanc) Fiori variety synonym Crataegus hatamii Hamzehee, K.I.Chr. & Attar species accepted Crataegus pectinata C.A.Mey. species doubtful Crataegus quaesita var. floridana (Sarg.) Lance variety synonym Crataegus lutea Poir. species synonym Mespilus apiifolia Marshall species heterotypic synonym Crataegus parvicarpa E.Reid species doubtful Mespilus azarolus (L.) Duhamel species synonym Crataegus virginica Lodd. species synonym Crataegus intricata var. horseyi (E.J.Palmer) Lance variety synonym Geum intermedium Wimm. & Grab. species heterotypic synonym Crataegus glabra G.Lodd. species doubtful Crataegus calycina subsp. curvisepala (Lindm.) Franco subspecies synonym Crataegus ambigua C.A.Mey. species doubtful Crataegus succulenta var. occidentalis Britton variety synonym Crataegus nigra Pall. ex Steud. species synonym Crataegus wattiana var. incisa (Regel) C.K.Schneid. variety synonym Mespilus foliis-cordato-ovatis Mill. species doubtful Crataegus monogyna f. hirsuta (Schur) Hegi form synonym Crataegus oxyacantha f. gireoudii Späth form synonym Crataegus pinnatifida Franch. species synonym Crataegus tanacetifolia Webb species doubtful Crataegus rotundifolia (Ehrh.) Borkh. species synonym Crataegus monogyna f. hirsuta (Schur) Buia form synonym Crataegus macracantha Lodd. species synonym Mespilus heterophylla (Flüggé) Desf. species heterotypic synonym Crataegus florida Loudon species doubtful Crataegus monogyna var. microphylla Diap. variety synonym Crataegus latifolia (Poir.) Pers. species synonym Crataegus monogyna f. trifida (Wallr.) Hegi form synonym Mespilus pyracanthifolia Hoffmanns. species doubtful Crataegus sanguinea J.G.Cooper species synonym Crataegus laciniata Borkh. species doubtful Crataegus debilis Sennen species doubtful Crataegus microphylla Gand. species heterotypic synonym Crataegus punctata Sol. species doubtful Crataegus intricata var. padifolia (Sarg.) Lance variety synonym Crataegus heterophylla Flüggé species accepted Crataegus pruinosa var. gattingeri (Ashe) Lance variety synonym Crataegus monogyna var. inzengae Briq. variety synonym Crataegus intermedia Schur species heterotypic synonym Crataegus incana Dzekov species doubtful Crataegus phaenopyrum (L.fil.) Borkh. species accepted Crataegus flava Lindl. species doubtful Crataegus oliveriana Bean species doubtful Crataegus caucasica C.Koch species doubtful Crataegus ×oxyacanthoides R.Doll species synonym Crataegus munda var. pexa (Beadle) Lance variety synonym Crataegus mollis var. lanuginosa (Sarg.) Lance variety synonym Crataegus verrucalis Peck species doubtful Crataegus oxyacantha var. aurea Loudon variety heterotypic synonym Crataegus monogyna var. semperflorens Dippel variety synonym Crataegus venusta var. pallens (Beadle) Lance variety synonym Crataegus monogyna f. rosiformis (Janka) Beck form synonym Crataegus monogyna var. denudata Schumach. variety synonym Mespilus lucida var. angustifolia Ehrh. variety synonym Mespilus cuneata (Siebold & Zucc.) Matsum. species synonym Crataegus oxyacantha f. eriocalyx Sanio form synonym Mespilus pinnatifida var. songarica (Dippel) Asch. & Graebn. variety synonym Crataegus monogyna f. macrocarpa Szafer form synonym Crataegus oxyacantha var. triloba (Poir.) Regel variety heterotypic synonym Crataegus populifolia Eggl. species doubtful Crataegus monogyna var. tauscheri (Gand. ex Pénzes) Soó variety synonym Crataegus slavinii Sarg. species doubtful Crataegus grandiflora Hornem. species doubtful Mespilus pinnatifida var. sonfarica (Dippel) Asch. & Graebn. variety synonym Crataegus oxyacantha f. punicea (Lodd. ex Loudon) Rehder form synonym Crataegus riparia Salisb. species synonym Crataegus douglasii Macoun species heterotypic synonym Crataegus sanguinea Nakai species heterotypic synonym Crataegus monogyna var. horrida (K.Koch) Dippel variety synonym Crataegus monogyna subsp. aguilaris (Sennen) Sennen subspecies synonym Crataegus ×glauca R.Doll species doubtful Crataegus ×dissecta (Dum.Cours.) DC. species doubtful Crataegus ×cispontica Ufimov species accepted Crataegus pallasii Trautv. species synonym Crataegus monogyna f. filicifolia Koehne form synonym Mespilus turbinata Spach species synonym Crataegus pseudosanguinea Popov species synonym Crataegus elliptica Elliott species heterotypic synonym Crataegus curvisepala subsp. colorata Hrabetová subspecies proparte synonym Crataegus pyrifolia (Soland.), 1789 species homotypic synonym Crataegus purpurea (Poir.) Bosc species synonym Crataegus irvingii Sarg. species homotypic synonym Crataegus mexicana Mo. & Sess species doubtful Crataegus monstrosa hort. species homotypic synonym Crataegus fallens Ashe species homotypic synonym Mespilus insegnae Tineo species homotypic synonym Crataegus xmedia Bechst. species synonym Crataegus oxyacantha var. pteridifolia Lodd. variety homotypic synonym Crataegus latifolia DC. species homotypic synonym Mespilus subspinosa Vent. species homotypic synonym Crataegus heterophylloides Pojark. species homotypic synonym Crataegus oxyacantha var. punicea Lodd. variety homotypic synonym Mespilus pinnata Dum.Cours. species synonym Crataegus florida hort. species homotypic synonym Gymnomeles cordata Oerst. species homotypic synonym Crataegus oxyacantha var. eriocarpa Lindl. variety homotypic synonym Crataegus brevispina Douglas species homotypic synonym Crataegus remotilobata Raikova species homotypic synonym Crataegus heterophylla C.A.Mey. species homotypic synonym Oxyacantha ×kyrtostyla (Fingerh.) M.Roem. species synonym Crataegus ×lavallei Hérincq species doubtful Crataegus flabellata Bosc species homotypic synonym Crataegus transalpina A.Kern. species homotypic synonym Crataegus acanea hort. species homotypic synonym Crataegus talyschensis Pojark. species homotypic synonym Crataegus coccinea var. indentata Lodd. variety homotypic synonym Crataegus neapolitana hort. species homotypic synonym Crataegus pectinata (Dum.Cours.) Bosc species heterotypic synonym Crataegus punicea Fisch. species homotypic synonym Crataegus layii hort. species homotypic synonym Crataegus schroederi (Regel) Koehne species homotypic synonym Crataegus phaenopyrum (L.f.) Medik. species synonym Anthomeles glandulosa (Aiton) M.Roem. species synonym Crataegus cuneifolia Lodd. species homotypic synonym Crataegus tiliifolia Koehne species homotypic synonym Crataegus atropurpurea Steven species homotypic synonym Mespilus monogyna var. splendens Wender. variety homotypic synonym Crataegus cordata Elliott species synonym Crataegus monogyna f. rubroplena Rehder form homotypic synonym Crataegus splendens hort. species homotypic synonym Crataegus pentagyna Waldst. & Kit. species homotypic synonym Crataegus edulis Lodd. species homotypic synonym Crataegus collina var. secta (E.J.Palmer) variety synonym Crataegus nudiflora Nutt. species synonym Crataegus subspinosa Vent. species homotypic synonym Crataegus ulotricha Pojark. species homotypic synonym Crataegus ×fallacina Gost.-Jak. species synonym Crataegus crus-galli var. linearis (Desf.) DC. variety synonym Crataegus oxyacantha var. villosa H.Lév. variety synonym Crataegus uniflora Du Roi species synonym Oxyacantha monogyna var. trifida (Wallr.) M.Roem. variety synonym Crataegus monogyna var. javorkae Pénzes variety synonym Crataegus pyriformis M.Roem. species doubtful Crataegus subsphaericea subsp. domicensis (Hrabetová) P.A.Schmidt subspecies synonym Crataegus lambertiana K.Koch species synonym Crataegus oxyacantha var. stricta Loudon variety synonym Mespilus parvifolia (Aiton) Dum.Cours. species synonym Crataegus monogyna f. inzengae Hayek form synonym Crataegus sanguinea Torr. & A.Gray species synonym Crataegus monogyna f. microphylla Chenevard ex Gams form synonym Crataegus laciniata Willk. species doubtful Crataegus monogyna subsp. maura (L.fil.) Maire subspecies synonym Crataegus pinnatifida var. garanica Paulsen variety synonym Crataegus punctata f. aurea Aiton, 1789 form synonym Crataegus padifolia var. padifolia variety synonym Crataegus monogyna subsp. polyacantha (Jan ex Guss.) Nyman subspecies synonym Mespilus corallina Tausch species doubtful Crataegus cinovskisii T.A.Kasumova, 1985 species accepted Crataegus tzvelevii Ufimov species accepted Crataegus silvicola Beadle species heterotypic synonym Mespilus mexicana (Moc. & Sessé ex DC.) K.Koch species synonym Mespilus melanocarpa Fisch. species doubtful Mespilus sanguinea var. chlorocarpa (Lenné & K.Koch) K.Koch variety synonym Crataegus flava Elliott species synonym Crataegus coccinea var. indentata Lodd. ex Loudon variety synonym Crataegus monogyna f. azarella (Griseb.) Buia form synonym Crataegus pruinosa var. pruinosa variety synonym Crataegus oxyacantha Pennant species synonym Crataegus viridis var. nitida Engelm. variety homotypic synonym Crataegus trilobata Tkatsch. species heterotypic synonym Oxyacantha apiifolia (Medik.) M.Roem. species synonym Crataegus badiata Bosc species homotypic synonym Crataegus monogyna f. microphylla Chenevard form homotypic synonym Crataegus mollis var. sera (Sarg.) Eggl. variety synonym Crataegus xmacrocarpa Hegetschw. species synonym Mespilus stipulacea Desf. species homotypic synonym Crataegus orientalis (Mill.) Bosc, 1821 species doubtful Crataegus filicifolia hort. species homotypic synonym Crataegus carpathica Lodd. species homotypic synonym Crataegus glutinosa Michx. species homotypic synonym Crataegus ×dsungarica Zabel species homotypic synonym Crataegus fissa (Poir.) Bosc species homotypic synonym Crataegus dshungarica Zabel species homotypic synonym Crataegus spathulata var. flavanthera Sarg. variety homotypic synonym Crataegus crus-galli var. pachyphylla (Sarg.) E.J.Palmer variety synonym Mespilus stricta K.Koch species homotypic synonym Crataegus alnifolia Dippel species heterotypic synonym Crataegus tenuinervis Lesquereux, 1891 species accepted Crataegus pyrifolia (Desf.) Rehder species synonym Crataegus pinschaw hort. species homotypic synonym Halmia punctata (Jacq.) M.Roem. species synonym Crataegus boscii hort. species homotypic synonym Crataegus nigra Pall. species homotypic synonym Crataegus orientalis Pall. species homotypic synonym Cotoneaster aestivalis f. angustifolia A.Gray form homotypic synonym Crataegus oxyacantha var. pendula Lodd. variety synonym Crataegus gharanica Paulsen species homotypic synonym Crataegus incisa hort. species homotypic synonym Crataegus californica hort. species homotypic synonym Phalacros cordatus (Aiton) Wenz. species synonym Crataegus succulenta var. macracantha (Lodd. ex Loudon) Eggl. variety synonym Mespilus rivularis Nutt. species homotypic synonym Crataegus arbutifolia Desf. ex Steud. species doubtful Crataegus prunellifolia Bosc species homotypic synonym Crataegus digyna Pall. species homotypic synonym Mespilus obovata Bosc species homotypic synonym Crataegus punctata var. brevispina Douglas variety homotypic synonym Crataegus subvillosa Schrad. species homotypic synonym Crataegus elliptica Aiton species synonym Crataegus pyrifolia Moench species doubtful Crataegus monogyna f. fissa (Poir.) Hegi form synonym Mespilus tomentosa Poit. & Turpin species synonym Crataegus tomentosa Eggl. species doubtful Crataegus monogyna f. polyacantha (Jan ex Guss.) Buia form synonym Crataegus pinnatifida var. songarica Dippel variety synonym Crataegus aceroides Lesq. species doubtful Crataegus monogyna var. pteridifolia (Lodd. ex Loudon) K.Koch variety synonym Mespilus tanacetifolia var. laciniata (Ucria) Wenz. variety synonym Crataegus glauca W.Young species doubtful Mespilus coccinea (L.) Castigl. species heterotypic synonym Crataegus oxyacantha var. albaplena Bean variety synonym Crataegus oxyacanthoides G species doubtful Crataegus monogyna subsp. brevispina (Kunze) Franco subspecies synonym Crataegus lassa var. lanata (Beadle) Lance variety synonym Crataegus xanthocarpa (Ehrh. ex L.fil.) Medik. species synonym Crataegus coccinea Sarg. species doubtful Crataegus repulsans Beadle, 1908 species accepted Crataegus laciniata var. decussata (Wallr.) Diap. variety synonym Crataegus kyrtostyla Fingerh. ex Schltdl. species synonym Crataegus oxyacantha var. laciniata (Wallr.) H.Lév. variety heterotypic synonym Mespilus xanthocarpa Moench species doubtful Mespilus rotundifolia Daniels species doubtful Crataegus crus-galli var. splendens Sol. variety synonym Crataegus ignava Sarg. species doubtful Crataegus monogyna f. praecox (Dum.Cours.) Hegi form synonym Crataegus texana var. dasyphylla (Sarg.) Phipps variety proparte synonym Crataegus ×pseudoazarolus Pojark. species doubtful Crataegus intermedia Donn species doubtful Crataegus oxyacantha var. ciliata Maire variety synonym Crataegus diversifolia Sarg. species doubtful Crataegus lassa var. colonica (Beadle) Lance variety synonym Crataegus monogyna var. alboplena Rehder variety synonym Crataegus flabellata (Bosc ex Spach) Sarg. species synonym Mespilus coccinea Ehrh. species synonym Crataegus robbinsoniana Sarg. species synonym Crataegus acerifolia J.Gordon, Dermer & R.Edmonds species synonym Crataegus pulcherrima var. incilis (Beadle) Lance variety synonym Crataegus ovalifolia (Hornem.) DC. species synonym Crataegus prunifolia (Poir.) Bosc species homotypic synonym Crataegus curvisepala Lindm. species synonym Mespilus apiifolia (Medik.) B.D.Jacks. species heterotypic synonym Crataegus monogyna var. arborescens Kuntze ex Pénzes variety synonym Crataegus lavallei Sarg. species synonym Crataegus alabamensis var. ravenelii (Sarg.) Lance variety synonym Crataegus alnifolia Regel species doubtful Crataegus succulenta var. macrantha (Lodd. ex Loudon) Eggl. variety synonym Mespilus chlorosarca (Maxim.) Asch. & Graebn. species synonym Crataegus calycina Peterm. ex Nyman species doubtful Crataegus nodulosa E.Reid species doubtful Crataegus oxyacantha var. biflora Weston variety synonym Crataegus floribunda K.Koch species heterotypic synonym Crataegus heterophylla Steven species doubtful Crataegus monogyna subsp. calycina (Peterm.) Jáv., 1924 subspecies homotypic synonym Mespilus odorata (Bosc ex DC.) Colla species doubtful Crataegus pyracanthifolia Wender. species doubtful Crataegus monogyna f. rubroplena Rehder ex C.K.Schneid. form synonym Crataegus mollis Sarg. species heterotypic synonym Crataegus grossidentata Sharifnia & K.I.Chr. species accepted Crataegus turkestanica Pojark. ex Nevski species synonym Mespilus corallina Risso species doubtful Crataegus monogyna f. alboplena (Rehder) C.K.Schneid. form synonym Crataegus subserrata Gand., 1872 species synonym Crataegus monogyna subsp. aegeica (Pojark.) Franco subspecies synonym Crataegus diversifolia (Pers.) M.Roem. species synonym Crataegus flava Sarg. species doubtful Mespilus pubescens Kunth species heterotypic synonym Crataegus laciniata Ucria species accepted Crataegus rhipidophylla subsp. lindmanii (Hrabetová) P.A.Schmidt subspecies synonym Crataegus crus-galli Du Roi species doubtful Crataegus pinnatifida var. gharanica Paulsen variety synonym Crataegus zarrei Dönmez species accepted Mespilus monogyna var. cuneata Wallr. variety synonym Crataegus mollis var. texana (Buckley) Lance variety synonym Crataegus coccinea var. macracantha E.L.Rand & Redfield variety heterotypic synonym Crataegus ovalifolia Hornem. ex Koehne species synonym Crataegus pectinata C.K.Schneid. species doubtful Crataegus laevigata (Poir.) DC. species accepted Crataegus oxyacantha var. azarella (Griseb.) Sanio variety synonym Crataegus tenuifolia Britton species heterotypic synonym Crataegus laciniata Montrouz. species doubtful Crataegus monogyna var. segobricensis Pau variety synonym Crataegus remota Beadle, 1913 species accepted Crataegus rotundifolia var. rotundifolia variety synonym Crataegus monogyna var. panachaica (C.K.Schneid.) Hayek variety synonym Crataegus punctata var. punctata variety synonym Crataegus crus-galli var. salicifolia (Medik.) Sol. variety synonym Mespilus monogyna var. granatensis (Boiss.) Wenz. variety synonym Crataegus monogyna f. trilobata Ny form synonym Dryas octopetala var. punctata L. variety synonym Crataegus calpodendron var. calpodendron variety synonym Crataegus longifolia Duhamel species doubtful Mespilus caroliniana (Pers.) Poir. species heterotypic synonym Crataegus oxyacantha var. acutiloba (J.Kern.) H.Lév. variety synonym Crataegus oxyacantha var. fallax Maire variety synonym Crataegus oxyacantha var. miniata Maire variety synonym Crataegus pectinata C.A.Mey. ex Hohen. species heterotypic synonym Crataegus monogyna f. pteridifolia (Lodd. ex Loudon) Rehder form synonym Crataegus pinnatifida var. pilosa C.K.Schneid. variety synonym Crataegus fallens Sarg. species doubtful Crataegus sanguinea Miq. species doubtful Crataegus azarolus subsp. ruscinonensis (Gren. & Blanc) Nyman subspecies synonym Crataegus oxyacantha f. rubra C.K.Schneid. form synonym Mespilus oxyacantha var. incisa Mérat variety synonym Crataegus subserrata Gand. ex Cariot species synonym Crataegus melanocarpa Bory & Chaub. species heterotypic synonym Mespilus vulgaris Bubani species doubtful Oxyacantha vulgaris Erndt species homotypic synonym Crataegus oxyacantha var. xanthocarpa (M.Roem.) Lange variety synonym Crataegus debeauxii Gand. & Debeaux species synonym Crataegus calycina Peterm. species accepted Crataegus pinnatifida f. bracteata Nakai form synonym Crataegus flexuosa Poir. species synonym Crataegus tiliifolia Koehne ex Lange species synonym Crataegus caroliniana Poir. species doubtful Crataegus schuettei var. gigantea Kruschke variety synonym Crataegus monogyna var. splendens (Wender. ex K.Koch) Dippel variety synonym Crataegus parviflora Sol. species synonym Crataegus oxyacantha var. pendula Lodd. ex Loudon variety synonym Crataegus subaria Spach species doubtful Crataegus biltmoreana Small species homotypic synonym Crataegus oxyacantha f. decipiens (Peterm.) Beck form synonym Crataegus ×pyriformis Britton species synonym Crataegus monogyna subsp. laciniata (Ledeb.) Pénzes subspecies synonym Crataegus inermis L. species doubtful Crataegus margarettae Eggl. species synonym Crataegus apiifolia Medik. species heterotypic synonym Crataegus intricata var. biltmoreana (Beadle) Lance variety synonym Crataegus punctata var. rubra Sol. variety synonym Crataegus oxyacantha Thuill. species synonym Crataegus columbiana Sarg. species doubtful Crataegus azarolus var. ruscinonensis (Gren. & Blanc) Gaut. variety synonym Crataegus oxyacantha var. horrida (K.Koch) Regel variety synonym Mespilus oxyacantha subsp. monogyna (Jacq.) Celak. subspecies synonym Cotoneaster acuticarpa E.Reid species synonym Crataegus monogyna subsp. intermedia (Schur) Pénzes subspecies synonym Crataegus monogyna f. biflora (Weston) Rehder form synonym Crataegus arkansana var. dumetosa (Sarg.) Kruschke variety synonym Crataegus apiifolia Borkh. species doubtful Crataegus populifolia Elliott species doubtful Crataegus monogyna var. decussata (Wallr.) Pénzes variety synonym Crataegus schroederi (Regel) Koehne ex Späth species synonym Crataegus monogyna var. intermedia Buia variety heterotypic synonym Mespilus cordata Mill. species synonym Mespilus crus-galli (L.) Castigl. species synonym Crataegus paddockiae Sarg., 1905 species accepted Crataegus permixta E.J.Palmer species synonym Crataegus oxyacantha f. rosiflora Maire form synonym Crataegus spathulatoides Berry, 1907 species accepted Crataegus margaretta var. angustifolia E.J.Palmer variety synonym Crataegus ×austromoravica Hrabetová species synonym Crataegus ×lepida Hrabetová species synonym Crataegus monogyna var. heterodonta (Pojark.) Gost.-Jak. variety synonym Crataegus ×calciphila Hrabetová species proparte synonym Crataegus imparilis Knowlton, 1902 species accepted Crataegus oxyacantha subsp. nemorensis Hrabetová subspecies synonym Crataegus glandulosa Walter species doubtful Crataegus rosiformis subsp. lindmanii (Hrabetová) K.I.Chr. subspecies synonym Crataegus monogyna subsp. latiloba Hrabetová subspecies synonym Crataegus glandulosa Moench species doubtful Crataegus ×laneyi Sarg. species accepted Crataegus glandulosa Sol. species synonym Crataegus flavescens Newberry, 1882 species synonym Crataegus lacoei Lesquereux, 1891 species accepted Crataegus coccinea Lindl. species doubtful Crataegus pyrifolia J.Gordon, Dermer & R.Edmonds species synonym Crataegus kingstonensis Sarg. species doubtful Crataegus lindmanii Hrabetová species accepted Crataegus ×domicensis Hrabetová species accepted Crataegus margaretta Ashe species accepted Crataegus aequidentata Lesquereux, 1878 species accepted Crataegus margaretta f. xanthocarpa Sarg. form synonym Crataegus monogyna Jacq.Fl.Austriac species doubtful Crataegus rhipidophylla Gand. species accepted Crataegus monogyna f. subdigyna Johanss. form synonym Crataegus ×silesiaca Hrabetová species synonym Crataegus monogyna subsp. silicensis Hrabetová subspecies synonym Crataegus pyrifolia Aiton species synonym Crataegus ×maligna Sarg. species accepted Crataegus holmesii Lesquereux, 1887 species accepted Crataegus elliptica Sol. species synonym Crataegus ×hudsonica Sarg. species accepted Crataegus ×immanis Ashe species accepted Crataegus anomala Sarg. species synonym Crataegus glandulosa Georgi species doubtful Crataegus ×bohemica Hrabetová species synonym Crataegus pyrifolia Sol. species doubtful Crataegus ×puberis Sarg. species accepted Crataegus ×mikulcicensis Hrabetová species synonym Crataegus monogyna subsp. plesivecensis Hrabetová subspecies synonym Crataegus pyrifolia Willd. species doubtful Crataegus punctata subsp. decipiens Schuette subspecies synonym Crataegus ×brevipes Peck species accepted Crataegus monogyna Jacq. species accepted Crataegus ×haemacarpa Ashe species accepted Mespilus pubescens H.L.Wendl. species synonym Crataegus glandulosa Willd. species doubtful Mespilus oxyacantha var. laciniata Desv. variety heterotypic synonym Crataegus betulifolia Dippel species doubtful Crataegus antimina Sarg. species accepted Crataegus monogyna var. laciniata K.Koch variety heterotypic synonym Crataegus ×degenii var. monogynoides Zsák variety synonym Crataegus grossulariifolia Dippel species doubtful Crataegus macrocarpa var. calycina (Peterm.) Kerguélen variety synonym Crataegus schuettei var. ferrissii (Ashe) Kruschke ex J.B.Phipps variety synonym Crataegus cerasina Dippel species doubtful Crataegus oxyacantha subsp. monogyna Bonnier & Layens subspecies synonym Crataegus ×ovalis Kit. ex Kanitz species synonym Crataegus ×macrocarpa subsp. sudetica Hrabetová subspecies synonym Crataegus odorata Regel species doubtful Crataegus azarolus subsp. azarolus subspecies synonym Crataegus monogyna var. nordica (Franco) P.D.Sell variety synonym Crataegus tatarica hort. species homotypic synonym Crataegus oxyacantha var. elegans (Poir.) Noulet variety synonym Crataegus monogyna var. pyramidalis Rehder variety synonym Crataegus mandschurica Koehne species synonym Crataegus subheterophylla P.D.Sell species accepted Crataegus coriifolia Sharifnia & Zarrink. species accepted Crataegus oxyacantha var. caucasica (Koch) Boiss. variety heterotypic synonym Crataegus monogyna var. granatensis (Boiss.) P.D.Sell variety proparte synonym Crataegus oxyacantha subsp. monogyna Arcang. subspecies synonym Crataegus monogyna var. arborescens Kuntze variety homotypic synonym Crataegus spathulata Dippel species heterotypic synonym Crataegus monogyna var. rubra-plena Rehder variety synonym Crataegus oxyacantha var. macrocarpa (Hegetschw.) Gaut. variety heterotypic synonym Crataegus oxyacantha var. macrocarpa Legrand variety heterotypic synonym Crataegus dsungarica Dippel species synonym Crataegus tatarica hort. ex Asch. & Graebn. species doubtful Mespilus dsungarica Dieck species synonym Crataegus monogyna f. nordica (Franco) P.D.Sell form synonym Mespilus oxyacantha var. apiifolia Mutel variety synonym Crataegus monogyna subsp. calycina (Peterm.) J subspecies homotypic synonym Crataegus ×lavallei Henriqu species synonym Crataegus monogyna var. brevispina (Kunze) P.D.Sell variety synonym Crataegus buistii K.Koch species doubtful Crataegus allegheniensis Beadle species accepted Crataegus monogyna subsp. maritima Corill. subspecies synonym Crataegus oxyacantha var. incisa (Mérat) H.Lév. variety synonym Crataegus korolkowii Dippel species heterotypic synonym Crataegus reginae K.Koch species synonym Crataegus ×calciphila var. hadensis Hrabetová variety synonym Crataegus monogyna var. coccinea Rehder variety synonym Crataegus flava Hook. species proparte synonym Crataegus splendens Dippel species synonym Mespilus oxyacantha var. intermixta Wenz. variety synonym Crataegus fructurubro Lavallée species doubtful Crataegus teres Beadle species synonym Crataegus stipulacea-microphylla species doubtful Crataegus bosceana species doubtful Crataegus olivaeformis species doubtful Crataegus alabamensis var. teres (Beadle) Lance variety synonym Crataegus pyrifolia J.Godr. et al. species synonym Crataegus oxyacantha var. incisa Regel variety heterotypic synonym Crataegus nigra f. csapodyae D.Bartha & Ker.-Nagy form synonym Crataegus brevispina var. javorkae (Pénzes) Ker.-Nagy variety synonym Crataegus curvisepala var. lindmanii (Hrabetova) Byatt variety synonym Crataegus gattingeri var. rigida E.J.Palmer ex Deam variety heterotypic synonym Mespilus germanica × monogyna var. asniersii variety synonym Crataegus monogyna x rhipidophylla species accepted Crataegus monogyna × rhipidophylla var. lindmanii variety synonym |
PNSS