⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-2910, with some changes.
This name is a synonym of Heterotheca sessiliflora subsp. fastigiata .
The record derives from TICA which reports it as a synonym (record 618EB722-3311-48ED-8230-05639B69D045
) with original publication details: Univ. Calif. Publ. Bot. 3: 43. 1907 43 1907.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1009764-2
.