This name is a synonym of Fagopyrum leptopodum var. grossii (H.Lév.) Lauener & D.K.Ferguson.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Acad. Int. Géogr. Bot. 23: 26 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:694532-1.
This name was in version 1 of The Plant List, record kew-2807316, and has not been changed.