Alnus rugosa (DuRoi) Sprengel
Alnus rugosa (DuRoi) Sprengel is a synonym sensu FNA Ed. Comm., 1997 of:
Alnus incana subsp. rugosa (Du Roi) R.T. Clausen, an accepted subspecies name sensu FNA Ed. Comm., 1997.
Alnus rugosa (DuRoi) Sprengel is a synonym sensu FNA Ed. Comm., 1997 of:
Alnus incana subsp. rugosa (Du Roi) R.T. Clausen, an accepted subspecies name sensu FNA Ed. Comm., 1997.