⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50271502, with some changes.
This name is a synonym of Trapa natans .
The record derives from Tropicos which reports it as a synonym (record 50271502
) with original publication details: Fl. Malesiana, Ser. 1, Spermatoph. 4: 43 43 1954.