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 240433) with original publication details: Pl. Hartw. 73 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318220-1.
This name was in version 1 of The Plant List, record kew-240433.