⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50096230, and has not been changed.
This name is a synonym of Sagittaria montevidensis subsp. spongiosa .
The record derives from Tropicos which reports it as a synonym (record 50096230
) with original publication details: Rep. (Annual) Missouri Bot. Gard. 11: 149 149 1899.