⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-23200783, with some changes.
This name is a synonym of Ludwigia adscendens subsp. diffusa .
The record derives from Tropicos which reports it as a synonym (record 23200783
) with original publication details: Notul. Syst. (Paris) 13: 144-145 144 1947.