Persicaria lapathifolia (L.) Delarbre Persicaria lapathifolia (L.) Delarbre, Fl. Auvergne, ed. 2: 519. 1800 sec. Ramírez & al. 2010=Polygonum lapathifolium L., Sp. Pl. 1: 360. 1753 syn. sec. ???=Persicaria lapathifolia (L.) A. Gray, Nat. Arr. Brit. Pl. 2: 270. 1822 syn. sec. ???