Synonyms:

242424248	Persicaria barbata subsp. gracilis = Persicaria barbata var. gracilis
242424254	Persicaria hydropiper subsp. microcarpa = Persicaria pubescens var. acuminata
242424255	Persicaria kawagoeana = Persicaria tenella var. kawagoeana
242336772	Persicaria lapathifolia subsp. lanata = Persicaria lapathifolia var. lanata
242424261	Persicaria minor subsp. micrantha = Persicaria tenella var. kawagoeana
242424268	Persicaria tomentosa = Persicaria lapathifolia var. tomentosa
242424269	Persicaria trigonocarpa = Persicaria erecto-minor var. trigonocarpa