Oxyria acida R.Br. ex Hook. & Arn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Oxyria species Oxyria digyna Name Homonyms Oxyria acida R.Br. ex Hook. & Arn. Oxyria acida R.Br. ex Lindl. Oxyria acida R.Br.