Rumex salicifolius subsp. triangulivalvis Danser Dataset Database of Vascular Plants of Canada (VASCAN) Rank SUBSPECIES Classification class Equisetopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex triangulivalvis Name Homonyms Rumex salicifolius var. triangulivalvis (Danser) J.C. Hickman Rumex salicifolius subsp. triangulivalvis Danser