Alnus incana var. glauca (Michaux) Loudon
Alnus incana var. glauca (Michaux) Loudon is a synonym sensu TROPICOS of:
Alnus incana subsp. rugosa (Du Roi) R.T. Clausen, an accepted subspecies name sensu FNA Ed. Comm., 1997.
Alnus incana var. glauca (Michaux) Loudon is a synonym sensu TROPICOS of:
Alnus incana subsp. rugosa (Du Roi) R.T. Clausen, an accepted subspecies name sensu FNA Ed. Comm., 1997.