Synonyms: Persicaria brachypoda; Polygonum brachypodum; Polygonum chamissoanum; Polygonum chamissoeanum; Polygonum chamissonianum; Polygonum geniculatum (heterotypic); Polygonum hastatum (heterotypic); Polygonum meisneranum; Polygonum meisnerianum (homotypic); Polygonum meisnerianum f. intermedia; Polygonum meisnerianum f. petiolatum; Polygonum meisnerianum var. setosum; Polygonum meisnerianum var. usterianum; Polygonum multangulare; Polygonum refractum (homotypic); Polygonum sagittatum (heterotypic); Polygonum tuerckheimii (homotypic); Tracaulon meisnerianum (homotypic); Tracaulon multangulare; Truellum meisnerianum (homotypic)