This name is a synonym of Sambucus cerulea var. neomexicana Rehder.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50059563) with original publication details: Bull. Torrey Bot. Club 25(6): 309–310 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:227183-2.
This name was in version 1 of The Plant List, record tro-50059563.