Rumex obtusifolius × Rumex sanguineus ContentCommon Name Common Name German: Synonymy=Rumex ×dufftii Ruhmer1,2,3,4,5,6,71. FLOR: , 2. EHRD: , 3. ATLAS_IDX: 0, 4. WISSK: u, 5. KART: 44, 6. RL2015: , 7. Rumex obtusifolius × sanguineus