royal fern
royal fern (FNA Ed. Comm., 1993) is an accepted English vernacular name for:
Osmunda regalis var. spectabilis (Willdenow) A. Gray , an accepted variety name sensu FNA Ed. Comm., 1993.
royal fern (FNA Ed. Comm., 1993) is an accepted English vernacular name for:
Osmunda regalis var. spectabilis (Willdenow) A. Gray , an accepted variety name sensu FNA Ed. Comm., 1993.