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