⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2870595, with some changes.

Acer opulifolium var. tomentosum K.Koch is a synonym of Acer opalus subsp. obtusatum (Waldst. & Kit. ex Willd.) Gams

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Syn. Fl. Germ. Helv. 1: 134 1837.