⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-36917, and has not been changed.
This name is a synonym of Ceratophyllum platyacanthum subsp. oryzetorum .
The record derives from WCSP which reports it as a synonym (record 36917
) with original publication details: Rep. Exped. Manchoukou Sect. IV 4: 80 1936.