⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-32400041, with some changes.
This name is a synonym of Trapa natans .
The record derives from Tropicos which reports it as a synonym (record
32400041) with original publication details: J. Jap. Bot. 18(8): 436-437, pl. 3g, pl. 5, f. 8 436 1942.