Polygonum angustifolium hort. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum angustifolium Name Homonyms Polygonum angustifolium Sessé & Moc. Polygonum angustifolium Raf. Polygonum angustifolium Brot., 1804 Polygonum angustifolium hort. ex Poir., 1804 Polygonum angustifolium D.Don Polygonum angustifolium Roth Polygonum angustifolium Pall. Polygonum angustifolium hort.