[Chamaenerion angustifolium subsp. circumvagum (Mosquin) Moldenke, moreChamerion angustifolium subsp. circumvagum (Mosquin) P. C. Hoch, Chamerion angustifolium var. canescens (A. W. Wood) N. H. Holmgren & P. K. Holmgren, Chamerion danielsii (D. Löve) S.K. Cherepanov, Chamerion platyphyllum (Daniels) A. & D. Löve, Epilobium angustifolium var. abbreviatum (Lunell) Munz, Epilobium angustifolium var. canescens Alph.Wood, Epilobium angustifolium var. macrophyllum (Hausskn.) Fernald, Epilobium angustifolium var. platyphyllum (Daniels) Fernald]