⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-370018, and has not been changed.

Fraxinus pennsylvanica subsp. oregona (Nutt.) G.S.Mill. is a synonym of Fraxinus latifolia Benth.

This name is a synonym of Fraxinus latifolia Benth..

The record derives from WCSP which reports it as a synonym (record 370018) with original publication details: Cornell Univ. Agric. Exp. Sta. Mem. 335: 41 1955.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:105871-2.