Synonyms: Antenoron filiforme (homotypic); Antenoron filiforme f. albiflorum (homotypic); Antenoron filiforme f. amabile; Antenoron filiforme f. smaragdinum (homotypic); Antenoron filiforme f. trichorachis; Persicaria filiformis f. albiflora; Persicaria muricata f. albiflora; Polygonum filiforme (heterotypic); Polygonum filiforme var. smaragdinum (homotypic); Polygonum nipponense f. albiflorum; Polygonum virginatum filiforme; Polygonum virginianum f. glabratum; Polygonum virginianum var. filiforme; Sunania filiformis (homotypic); Sunania filiformis f. albiflora (homotypic); Sunania filiformis f. smaragdina (homotypic); Sunania filiformis f. trichorachis; Tovara filiformis (homotypic); Tovara filiformis f. albiflora (homotypic); Tovara filiformis f. amabilis; Tovara filiformis f. trichorachis; Tovara filiformis var. kachina; Tovara ryukuyuensis; Tovara smaragdina (homotypic); Tovara virginiana var. filiformis