Polygonum humifusum C.Merck Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum humifusum Name Homonyms Polygonum humifusum Mert. ex K.Koch Polygonum humifusum C.Merck ex Pall. Polygonum humifusum C.Merck Polygonum humifusum Jord. Polygonum humifusum Jord. ex Boreau Polygonum humifusum Pall. ex Ledeb. Polygonum humifusum Mert.