This name is a synonym of Dioscorea trifida L.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239877) with original publication details: Sp. Pl. 4: 791 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:324031-2.
This name was in version 1 of The Plant List, record kew-239877.