⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50067316, with some changes.
This name is a synonym of Helanthium tenellum .
The record derives from Tropicos which reports it as a synonym (record 50067316
) with original publication details: Rhodora 57: 188 188 1955.