This name is a synonym of Isocoma acradenia (Greene) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 917EF8D8-E993-4A36-96D6-5C9F980C5E92) with original publication details: Revis. Gen. Pl. 1: 317 317 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23014-2.
This name was in version 1 of The Plant List, record gcc-49963.