⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2616025, with some changes.

Acer negundo f. angustissimum Pax is a synonym of Acer negundo L.

This name is a synonym of Acer negundo L..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 7: 211 1886.