* [[Rheum Palmatum]] or medicinal Rhubarb or Chinese Rhubarb, Turkey Rhubarb, Turkish Rhubarb, Indian Rhubarb
* [[Rheum rhabarbarum]] (Rheum rhaponticum or Wild Rhubarb or Garden Rhubarb) : Rheum Palmatum is considered a stronger medicinal than Rheum Rhabarbarum.
* [[Monk's Rhubarb]] : [[Rumex alpinus]]