Synonyms
Osmunda basilaris Spreng.
Struthiopteris claytoniana (L.) Bernh.
Osmundastrum claytonianum (L.) Tagawa
Osmunda claytoniana var. vera Wherry
Osmunda interrupta Michx.
Osmunda claytoniana f. tomentosa Neidorf
Osmunda claytoniana var. dubia Grout
Osmunda monticola Wall.
Osmunda claytoniana f. dubia (Grout) Clute
Plenasium interruptum (Michx.) C.Presl
Plenasium claytonianum (L.) C.Presl
Claytosmunda claytoniana (L.) Metzgar & Rouhan