⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-3600414, and has not been changed.
This name is a synonym of Alnus incana subsp. rugosa .
The record derives from Tropicos which reports it as a synonym (record 3600414
) with original publication details: Hist. Arbr. Forest. 3: 322 322 1813.