This name is a synonym of Dioscorea mexicana Scheidw..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240432) with original publication details: Bull. Acad. Roy. Sci. Bruxelles 9(2): 392 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318218-1.
This name was in version 1 of The Plant List, record kew-240432.