⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-76883, 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 8A930D16-0CE0-42A3-A59A-65A0C6D89D7D
) with original publication details: Bot. Voy. Sulphur 25. 1844 25 1844.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:57882-2
.