Callitriche palustris Linnaeus var. natans Linnaeus, Species Plantarum 2: 969. 1753.

RCN: 32.

Lectotype (Lansdown & Jarvis in Taxon 53: 170. 2004): Herb. Burser VII(1): 82, lower left specimen (UPS) .

Current name: Callitriche platycarpa Kütz . ( Callitrichaceae).