This name is a synonym of Betula alleghaniensis Britton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330298) with original publication details: Rhodora 27: 170 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:32166-2.
This name was in version 1 of The Plant List, record kew-330298, and has not been changed.