Rheum neyshabourense Baradaran & Jafari species accepted

Rheum pichonii Pierre ex F.B.Forbes & Hemsl. species doubtful

Rheum ferganense Titov species synonym

Rheum tataricum L.fil. species accepted

Rheum baillonii F.Heim species synonym

Rheum franzenbachii var. mongolicum Münter variety synonym

Rheum undulatum var. longifolium Metzg. ex Alef. variety synonym

Rheum sibiricum Pall. ex Siev. species synonym

Rheum undulatum var. longifolium Metzg. variety homotypic synonym

Rheum undulatum var. latifolium Metzg. ex Alef. variety synonym

Rheum undulatum var. crispatum Metzg. ex Alef. variety synonym

Rheum fenestratum Lodd. ex G.Don species doubtful

Rheum palmatum subsp. tanguticum (Maxim. ex Regel) Stapf subspecies synonym

Rheum undulatum var. crispatum Metzg. variety homotypic synonym

Rheum undulatum var. rotundifolium Metzg. variety homotypic synonym

Rheum fenestratum Lodd. species homotypic synonym

Rheum austriacum E. species doubtful

Rheum emodi Wall. species proparte synonym

Rheum austroiranicum Taheri & Assadi species accepted

Rheum kordestanicum Taheri & Assadi species accepted

Rheum uzengukuushi Lazkov & H.J.Choi species accepted

Rheum iranshahrii Taheri & Assadi species accepted

Rheum plicatum Losinsk. ex B.Fedtsch. species synonym

Rheum glabricaule subsp. brevilobatum Sam. subspecies synonym

Rheum alpinum Hort. species accepted

Rheum telianum Ilcim species accepted

Rheum palmatum var. palmatum variety synonym

Rheum palmatum var. tanguticum Maxim. ex Regel variety synonym

Rheum ×hybridum var. collinianum Baill. variety synonym

Rheum hybr species accepted

Rheum glabricaule Sam. species accepted

Rheum maximowiczii Losinsk. species accepted

Rheum webbianum Royle species accepted

Rheum darwazicum V.S.Titov ex Losinsk. species accepted

Rheum tibeticum Maxim. ex Hook.fil. species accepted

Rheum khorasanicum Baradaran & Jafari species accepted

Rheum zergericum Titov species synonym

Rheum megalocarpon Maxim. ex B.Fedtsch. species synonym

Rheum tanguticum Maxim. ex Balf. species accepted

Rheum compactum Kar. & Kir. species synonym

Rheum nanum Siev. ex Pall. species accepted

Rhabarbarum verum Garsault species synonym

Rheum tanguticum var. viridiflorum Y.K.Yang & D.K.Zhang variety synonym

Rheum tetragonopus Mart. species doubtful

Rheum turkestanicum Janisch species accepted

Rheum undulalum L. species synonym

Rheum undulatum Pall. species heterotypic synonym

Rheum undulatum var. longifolium C.Y.Cheng & T.C.Kao variety synonym

Rheum uninerve Maxim. species accepted

Rheum vvedenskyi Sumnev. species synonym

Rheum wittrockii C.E.Lundstr. species accepted

Rumex cacaliifolius H.Lév. species synonym

Rheum yunnanense Sam. species accepted

Rheum ×svetlanae Krassovsk. species accepted

Rheum sublanceolatum C.Y.Cheng & T.C.Kao species accepted

Rheum subacaule Sam. species accepted

Rheum strictum Franch. species synonym

Rheum spiciforme Royle species accepted

Rheum songaricum Schrenk species synonym

Rheum sibiricum Pall. species synonym

Rheum scaberrimum Lingelsh. species synonym

Rheum sanguineum Meisn. species synonym

Rheum rupestre Litv. ex Losinsk. species synonym

Rheum ×rugosum Desf. species doubtful

Rheum rubrifolium Maxim. ex Losinsk. species synonym

Rheum rotundifolium Fisch. ex Sweet species synonym

Rheum rotundatum Stokes species synonym

Rheum ribes L. species accepted

Rheum rhomboideum Losinsk. species accepted

Rheum rhizostachyum Schrenk species synonym

Rheum reticulatum Losinsk. species synonym

Rheum renifolium Sumnev. species synonym

Rheum racemiferum Maxim. species accepted

Rheum qinlingense Y.K.Yang, D.K.Zhang & J.K.Wu species synonym

Rheum pumilum Maxim. species accepted

Rheum przewalskyi Losinsk. species accepted

Rheum potaninii Losinsk. species synonym

Rheum plicatum Losinsk. species synonym

Rheum platylobum Rech.fil. species accepted

Rheum pichonii Pierre species accepted

Rheum palaestinum Feinbrun species accepted

Rheum ovatum C.Y.Cheng & T.C.Kao species synonym

Rheum orientixizangense Y.K.Yang, J.K.Wu & Gasang. species synonym

Rheum orientale Losinsk. species synonym

Rheum nutans Pall. species synonym

Rheum nobile Hook.fil. & Thomson species accepted

Rheum nepalense Kitam. species synonym

Rheum muricatum Blanco species synonym

Rheum moorcroftianum Royle species accepted

Rheum microcarpum Meisn. species doubtful

Rheum micranthum Sam. species synonym

Rheum megalophyllum Sumnev. species synonym

Rheum megalocarpon Maxim. species accepted

Rheum maculatum C.Y.Cheng & T.C.Kao species accepted

Rheum macropterum Mart. species synonym

Rheum macrocarpum Losinsk. species accepted

Rheum lucidum Losinsk. species accepted

Rheum lobatum Litv. ex Losinsk. species synonym

Rheum likiangense Sam. species accepted

Rheum lhasaense A.J.Li & P.K.Hsiao species accepted

Rheum leucorrhizum Pall. species synonym

Rheum laciniatum Prain species accepted

Rheum korshinskyi Titov ex Losinsk. species synonym

Rheum kialense Franch. species accepted

Rheum inopinatum Prain species accepted

Rheum ×hybridum Murray species accepted

Rheum hotaoense C.Y.Cheng & T.C.Kao species accepted

Rheum globulosum Gage species accepted

Rheum forrestii Diels species accepted

Rheum fenestratum Loudon species doubtful

Rheum fedtschenkoi Maxim. ex Regel species accepted

Rheum esculentum Salisb. species synonym

Rheum emodium Wall. ex Nees & Eberm. species synonym

Rheum emodi Wall. species proparte synonym

Rheum ×dentatum Mart. species synonym

Rheum delavayi Franch. species accepted

Rheum darvasicum Titov ex Losinsk. species accepted

Rheum cuneatum Regel & Herder species synonym

Rheum cultorum Thorsrud & Reisaeter species synonym

Rheum cruentum Siev. species synonym

Rheum crassinervium Fisch. ex Lindl. species synonym

Rheum coreanum Nakai species accepted

Rheum cordatum Losinsk. species accepted

Rheum compactum var. orientale (Losinsk.) Tzvelev variety synonym

Rheum ×collinianum Baill. species synonym

Rheum caspicum Pall. species synonym

Rheum cantoniense Lour. ex Gomes Mach. species doubtful

Rheum austriacum Horkel ex G.Don species doubtful

Rheum australe D.Don species accepted

Rheum aplostachyum Kar. & Kir. species synonym

Rheum altaicum Losinsk. species synonym

Rheum alexandrae Batalin species accepted

Rheum acuminatum Hook.fil. & Thomson species accepted

Rhabarbarum ribes (L.) Moench species synonym

Rhabarbarum rhaponticum (L.) Moench species synonym

Rhabarbarum palmatum (L.) Moench species synonym

Rheum palmatum L. species accepted

Rheum officinale Baill. species accepted

Rheum rhaponticum L. species accepted

Rheum rhabarbarum L. species accepted

Rheum undulatum var. latifolium Metzg. variety homotypic synonym

Rheum undulatum var. rotundifolium Metzg. ex Alef. variety synonym

Rheum palmatum subsp. dissectum Stapf subspecies synonym

Rheum cruentum Siev. ex Pall. species synonym

Rheum compactum L. species accepted

Rheum hissaricum Losinsk. species accepted

Rheum macropterum Mart. ex Meisn. species accepted

Rheum franzenbachii Münter species synonym

Rheum nanum Siev. species doubtful

Rheum moorcroftianum Meisn. species heterotypic synonym

Rheum palmatum f. rubiflorum Stapf form synonym

Rheum darwasicum Titov ex Losinsk. species doubtful

Rheum sibericum Pall., 1784 species synonym

Rheum turanicum Litv. species synonym

Rheum zergeticum Titov species synonym

Polygonum chayuum A.J.Li & B.J.Bao species synonym

Rheum xcultorum Thorsrud & Reisaether species synonym

Rheum rhaponticum S.G.Gmel. species homotypic synonym

Rheum rhaponticum S.G.Gmel. ex Ledeb. species heterotypic synonym

Rheum xhybridum Murray species synonym

Rheum nuratavicum Titov species synonym

Rheum cordatum Steud. species doubtful

Rheum undulatum L. species heterotypic synonym

Rheum rhaponticum Herder species synonym

Rheum pichonii Pierre ex A.Chev. species synonym

Rheum emodi Wall. ex Meisn. species heterotypic synonym

Rheum glabricaule f. brevilobatum Sam. form synonym

Rheum turanicum Titov species synonym

Rheum palmatum f. rubriflora Stapf form synonym

Rheum orientalixizangense Y.K.Yang et al. species synonym

Rheum fedtschenkoi Maxim. species homotypic synonym

Rheum darvasicum Titov species homotypic synonym

Rheum austriacum Horkel species homotypic synonym

Rheum tanguticum Maxim. species homotypic synonym

Rheum palmatum var. tanguticum Maxim. variety homotypic synonym

Rheum emodium Wall. species homotypic synonym

Rheum cantoniense Lour. species homotypic synonym

Rheum rotundifolium Fisch. species homotypic synonym

Rheum tibeticum Maxim. species homotypic synonym

Rheum rupestre Litv. species homotypic synonym

Rheum darwazicum V.S.Titov species homotypic synonym

Rheum korshinskyi Titov species homotypic synonym

Rheum lobatum Litv. species homotypic synonym

Rheum crassinervium Fisch. species homotypic synonym

Rheum xrhabarbarum L. species synonym

Rheum darwasicum Titov species homotypic synonym

Rheum rubrifolium Maxim. species homotypic synonym

Rheum persicum Losinsk. species accepted