- 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