| Rheum aplostachyum Kar. & Kir. | Rheum spiciforme Royle |
| Rheum crassinervium Fisch. ex Lindl. | Rheum spiciforme Royle |
| Rheum cruentum Siev. | Rheum nanum Siev. ex Pall. |
| Rheum digynum (L.) Wahlenb. | Oxyria digyna (L.) Hill |
| Rheum hirsutum Maxim. ex Franch. | Koenigia hookeri (Meisn.) T.M.Schust. & Reveal |
| Rheum leucorrhizum Pall. | Rheum nanum Siev. ex Pall. |
| Rheum micranthum Sam. | Rheum kialense Franch. |
| Rheum nanum Lingelsh. | Koenigia hookeri (Meisn.) T.M.Schust. & Reveal |
| Rheum nepalense Kitam. | Rheum delavayi Franch. |
| Rheum reticulatum Losinsk. | Rheum spiciforme Royle |
| Rheum rhizostachyum Schrenk | Rheum spiciforme Royle |
| Rheum scaberrimum Lingelsh. | Rheum spiciforme Royle |
| Rheum strictum Franch. | Rheum delavayi Franch. |