⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-36922, with some changes.
This name is a synonym of Ceratophyllum muricatum subsp. australe (Griseb.) Les.
The record derives from WCSP which reports it as a synonym (record 36922) with original publication details: Manual 401 1848.