Tillaea aquatica Linnaeus, Species Plantarum 1: 128. 1753.

"Habitat in Europae inundatis." RCN: 1051.

Lectotype (Jonsell & Jarvis in Nordic J. Bot. 22: 72. 2002): Herb. Linn. No. 178.1 (LINN) .

Current name: Crassula aquatica (L.) Schönl . ( Crassulaceae).