This name is a synonym of Dioscorea saxatilis Poepp..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 240251) with original publication details: Fragm. Syn. Pl. 11 1833.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318064-1.
This name was in version 1 of The Plant List, record kew-240251, and has not been changed.