This name is a synonym of Porophyllum obscurum (Spreng.) DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record CE24C44A-9776-4C30-B982-7F499C6B57F5) with original publication details: 64 1896.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:208430-2.
This name was in version 1 of The Plant List, record gcc-88374.