This name is a synonym of Micropyrum patens (Brot.) Rothm. ex Pilg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 399983) with original publication details: Syll. Fl. Eur. 425 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:393159-1.
This name was in version 1 of The Plant List, record kew-399983, and has not been changed.