Epilobium angustifolium L. Epilobium angustifolium L., Sp. Pl. 1: 347. 1753 sec. Villarreal-Quintanilla 2001=Chamerion angustifolium (L.) Holub in Folia Geobot. Phytotax. 7(1): 86. 1972 syn. sec. The Plant List 2013