This name is a synonym of Vaccinium angustifolium f. nigrum (Alph. Wood) B. Boivin.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50204984) with original publication details: Mem. Torrey Bot. Club 5(17): 252 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:261944-2.
This name was in version 1 of The Plant List, record tro-50204984.