;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=0.33_22=0.67 >Rheum australe 11=0.33_22=0.67 >Rheum compactum 11=0.42_22=0.58 >Rheum lucidum 11 >Rheum macrocarpum 11 >Rheum nanum 11 >Rheum officinale 11=0.50_22=0.50 >Rheum palmatum 11=0.67_22=0.33 >Rheum reticulatum 11 >Rheum rhabarbarum 11=0.30_22=0.70 >Rheum rhaponticum 11=0.50_22=0.50 >Rheum ribes 22 >Rheum spiciforme 11 >Rheum tanguticum 11 >Rheum tataricum 11=0.50_22=0.50 >Rheum tibeticum 11 >Rheum turkestanicum 22 >Rheum webbianum 22 >Rheum wittrockii 22=0.75_33=0.25 >Rheum × hybridum 22