;CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to mailto:evolseq@tauex.tau.ac.il
>Rheum alexandrae
22
>Rheum altaicum
11
>Rheum australe
11
>Rheum compactum
11
>Rheum lucidum
11
>Rheum macrocarpum
11
>Rheum nanum
11
>Rheum officinale
11
>Rheum palmatum
11
>Rheum reticulatum
11
>Rheum rhabarbarum
11
>Rheum rhaponticum
11
>Rheum ribes
22
>Rheum spiciforme
11
>Rheum tanguticum
11
>Rheum tataricum
11
>Rheum tibeticum
11
>Rheum turkestanicum
22
>Rheum webbianum
22
>Rheum wittrockii
22
>Rheum × hybridum
22