This name is a synonym of Massonia depressa Houtt..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 281123) with original publication details: Pl. Hort. Schoenbr. 4: 30 1804.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:538079-1.
This name was in version 1 of The Plant List, record kew-281123, and has not been changed.