This name is a synonym of Acmella caulirhiza Delile.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DB22D63A-416B-4F4D-900D-7A88EF2AF3E5) with original publication details: 390 1827.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:202749-1.
This name was in version 1 of The Plant List, record gcc-86265.