This name is a synonym of Porophyllum cacalioides (Less.) DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2C664754-F914-4B2C-B39F-23D8F051D0C4) with original publication details: Linnaea 6 "132, 255" 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:227362-1.
This name was in version 1 of The Plant List, record gcc-19394, and has not been changed.