This name is a synonym of Dioscorea fasciculocongesta (Sosa & B.G.Schub.) O.Téllez.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240950) with original publication details: Biótica 11: 187 1986.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:949561-1.
This name was in version 1 of The Plant List, record kew-240950, and has not been changed.