Osmunda regalis subsp. spectabilis (Willdenow) Á. Löve & D. Löve

Osmunda regalis subsp. spectabilis (Willdenow) Á. Löve & D. Löve is a synonym sensu TROPICOS of:

Osmunda regalis var. spectabilis (Willdenow) A. Gray, an accepted variety name sensu FNA Ed. Comm., 1993.