This name is a synonym of Corydalis micrantha subsp. australis (Chapm.) G.B.Ownbey.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. South. U.S. ed. 2: 604 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:66347-2.
This name was in version 1 of The Plant List, record kew-2738463.