⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Jussiaea grandiflora in version 1.1 of The Plant List.
This name is a synonym of Ludwigia grandiflora subsp. hexapetala .
The record derives from Tropicos which reports it as a synonym (record 23200912
) with original publication details: Beihefte Bot. Central-bl. 39: 355-356. 1923. .