⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-106394, with some changes.
This name is a synonym of Heterotheca sessiliflora subsp. echioides .
The record derives from TICA which reports it as a synonym (record 4A138BF1-0A2D-4487-8F37-A7AE71C96A62
) with original publication details: Bot. Gaz. 39 48 1905.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:57867-2
.