Polygonum aviculare var. crassifolium Lange Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum aviculare Name Homonyms Polygonum aviculare var. crassifolium Lange Polygonum aviculare subsp. crassifolium Lange