⚠ Version 1 of The Plant List has been superseded.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 Hydrolea graminifolia in version 1.1 of The Plant List.
This name is a synonym of Hydrolea floribunda .
The record derives from Tropicos which reports it as a synonym (record 16200429
) with original publication details: J. Linn. Soc., Bot. 11: 277, t. 1, f. 12 277 1871.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:432209-1
.