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 240751) with original publication details: Biol. Cent.-Amer., Bot. 3: 359 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318458-1.
This name was in version 1 of The Plant List, record kew-240751.