Alnus viridis subsp. sinuata (Regel) Á. Löve & D. Löve

Alnus viridis subsp. sinuata (Regel) Á. Löve & D. Löve is a synonym sensu FNA Ed. Comm., 1997 of:

Alnus alnobetula subsp. sinuata (Regel) Raus, an accepted subspecies name sensu Greuter & Von Raab-Straube, 2011.