Ceratophyllum demersum Linnaeus, Species Plantarum 2: 992. 1753.

"Habitat in Europae fossis majoribus sub aqua." RCN: 7196.

Lectotype (Aziz in Nasir & Ali, Fl. W. Pakistan 70: 3. 1974): Herb. Clifford: 446, Ceratophyllum 1 (BM-000647413) .

Generitype of Ceratophyllum Linnaeus.

Current name: Ceratophyllum demersum L. ( Ceratophyllaceae).