Ludwigia alternifolia Linnaeus, Species Plantarum 1: 118. 1753.

"Habitat in Virginia." RCN: 975.

Lectotype (Reveal in Jarvis & al., Regnum Veg. 127: 62. 1993): Kalm, Herb. Linn. No. 154.1 (LINN) .

Generitype of Ludwigia Linnaeus (vide Hitchcock, Prop. Brit. Bot.: 125. 1929).

Current name: Ludwigia alternifolia L. ( Onagraceae).