Osmunda regalis var. regalis.
Osmunda regalis var. panigrahiana
Osmunda regalis var. brasiliensis
Osmunda regalis var. spectabilis
Dryopteris fili-mas, Dryopteris affinis, Dryopteris carthusiana
Broad-Leaved Forests, Grassland, Mountains, Roadsides, Shaded sites, Tropical regions
Woodlands
Not Available
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24