⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-23200923, with some changes.
This name is a synonym of Ludwigia grandiflora subsp. hexapetala .
The record derives from Tropicos which reports it as a synonym (record 23200923
) with original publication details: Rhodora 46(545): 197 197 1944.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:132665-2
.