Polygonum bishirae Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria stagnina Name Homonyms Polygonum bishirae Buch.-Ham. ex Hook.f. Polygonum bishirae Buch.-Ham. ex Meisn. Polygonum bishirae Buch.-Ham.