⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50116083, with some changes.
This name is a synonym of Hydrophyllum capitatum var. thompsonii .
The record derives from Tropicos which reports it as a synonym (record 50116083
) with original publication details: Torreya 28(3): 55 55 1928.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:125332-2
.