Rumex acetosa subsp. crispus (Roth) Celak. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex thyrsiflorus Name Homonyms Rumex acetosa var. crispus (Roth) Celak. Rumex acetosa subsp. crispus (Roth) Celak. Rumex acetosa var. crispus Roth Rumex acetosa var. crispus Gaudin