⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-36918, with some changes.

Ceratophyllum demersum subsp. platyacanthum (Cham.) Nyman is a synonym of Ceratophyllum platyacanthum Cham.

This name is a synonym of Ceratophyllum platyacanthum Cham..

The record derives from WCSP which reports it as a synonym (record 36918) with original publication details: Consp. Fl. Eur. 251 1879.