⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-21110, with some changes.

Betula alba f. occidentalis (Hook.) Fernald is a synonym of Betula occidentalis Hook.

This name is a synonym of Betula occidentalis Hook..

The record derives from WCSP which reports it as a synonym (record 21110) with original publication details: Amer. J. Sci. IV, 14: 173 1902.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1128072-2.