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