⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-3600416, 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 3600416
) with original publication details: Rhodora 47(563): 353 353 1945.