This name is a synonym of Sambucus racemosa f. dissecta (Britton) Scoggan.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50325329) with original publication details: Mem. Torrey Bot. Club 5(20): 304 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:227195-2.
This name was in version 1 of The Plant List, record tro-50325329.