This name is a synonym of Alnus incana (L.) Moench.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 6446) with original publication details: Handb. Laubholzk. 2: 165 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:9422-2.
This name was in version 1 of The Plant List, record kew-6446.