Fr: osmonde royale d'Amérique
Provincial Status: N
Range: Temp. eCanada (MB-Nfld.), eUS, Mexico, Central America and parts of South America; N thr. Nfld. (except sw)
[=Osmunda glaucescens Link]
[=Osmunda gracilis Link]
[=Osmunda mexicana Fée]
[=Osmunda palmeri A.E.Bobrov]
[=Osmunda palustris Schrad.]
[=Osmunda regalis L. forma anomala (Farw.) S.K.Harris]
[=Osmunda regalis L. forma intercallata Dole]
[=Osmunda regalis L. forma linearis Clute]
[=Osmunda regalis L. forma nana Fernald]
[=Osmunda regalis L. forma orbiculata Clute]
[=Osmunda regalis L. subsp. spectabilis (Willd.) Á.Löve & D.Löve]
[=Osmunda regalis L. subvar. anomala Farw.]
[=Osmunda regalis L. var. brasiliensis (Grev. & Hook.) Kunze]
[=Osmunda regalis L. var. brasiliensis (Grev. & Hook.) Pic.Serm. 1977, nom. illeg. isonym., non (Grev. & Hook.) Kunze 1845]
[=Osmunda regalis L. var. palustris (Schrad.) C.Chr. ex Angely]
[=Osmunda regalis L. var. spectabilis (Willd.) A.Gray]
[=Osmunda spectabilis Willd. var. brasiliensis Grev. & Hook.]
[Osmunda regalis var. spectabilis has been elevated to species status; Osmunda regalis has a range now restricted to w/sEurope and nwAfrica.]