Epilobium angustifolium Linnaeus, Species Plantarum 1: 347. 1753.
"Habitat in Europae boreali." RCN: 2663.
Lectotype (Raven in Notes Roy. Bot. Gard. Edinburgh 24: 186. 1962): Herb. Linn. No. 486.1 (LINN) .
Current name: Epilobium angustifolium L. ( Onagraceae).
Note: Specific epithet spelled “angustifolia” in the protologue.