This name is a synonym of Dioscorea sylvatica Eckl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240990) with original publication details: Bot. J. Linn. Soc. 64: 445 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:879861-1.
This name was in version 1 of The Plant List, record kew-240990.