Rumex hydrolapathum Am. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex britannica Name Homonyms Rumex hydrolapathum (Scop.) Huds. Rumex hydrolapathum Campd., 1819 Rumex hydrolapathum Am. Rumex hydrolapathum C.H.Wright Rumex hydrolapathum (Scop.) F.H.Wigg.