Rumex crispus Cham. & Schltdl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex longifolius Name Homonyms Rumex crispus Lour. Rumex crispus Cham. & Schltdl. Rumex crispus L.