Fr: athyrie étroite, fougère femelle du Nord, fougère femelle étroite
Provincial Status: LN
Range: nTemp.-Boreal eNA; thr. Nfld., N to nLab.
[=Aspidium angustum Willd. (basionym)]
[=Asplenium elatius Link]
[=Asplenium filix-femina (L.) Bernh. var. angustum (Willd.) D.C.Eaton]
[=Asplenium filix-femina (L.) Bernh. var. michauxii (Spreng.) Mett.]
[=Asplenium michauxii Spreng.]
[=Athyrium angustum (Willd.) C.Presl forma confertum Butters]
[=Athyrium angustum (Willd.) C.Presl forma cristatum (Hopkins) Broun]
[=Athyrium angustum (Willd.) C.Presl forma elegans (Gilbert) Butters]
[=Athyrium angustum (Willd.) C.Presl forma laciniatum Butters]
[=Athyrium angustum (Willd.) C.Presl forma typicum Butters, nom. inval.]
[=Athyrium angustum (Willd.) C.Presl var. cristatum Hopkins]
[=Athyrium angustum (Willd.) C.Presl var. elatius (Link) Butters]
[=Athyrium angustum (Willd.) C.Presl var. glanduliferum Jenn.]
[=Athyrium angustum (Willd.) C.Presl var. laurentianum Butters]
[=Athyrium angustum (Willd.) C.Presl var. rubellum (Gilbert) Butters]
[=Athyrium angustum (Willd.) C.Presl var. typicum (Butters) Wherry, nom. inval.]
[=Athyrium asplenioides (Michx.) Eaton var. angustum (Willd.) T.Moore]
[=Athyrium filix-femina (L.) Roth forma confertum (Butters) Fernald]
[=Athyrium filix-femina (L.) Roth forma cristatum (Hopkins) Clute]
[=Athyrium filix-femina (L.) Roth forma elatius (Link) Clute]
[=Athyrium filix-femina (L.) Roth forma elegans (Gilbert) Clute]
[=Athyrium filix-femina (L.) Roth forma laciniatum (Butters) Fernald
[=Athyrium filix-femina (L.) Roth forma laurentianum (Butters) Fernald]
[=Athyrium filix-femina (L.) Roth subsp. angustum (Willd.) R.T.Clausen]
[=Athyrium filix-femina (L.) Roth var. angustum (Willd.) G.Lawson]
[=Athyrium filix-femina (L.) Roth var. michauxii (Spreng.) Farw.]
[=Athyrium filix-femina (L.) Roth var. michauxii (Spreng.) Burnh. 1917 nom. illeg. isonym., non (Spreng.) Farw. 1916]
[=Athyrium filix-femina (L.) Roth var. sitchense sensu Fernald 1950, non Rupr. 1845]
[=Athyrium filix-foemina (L.) Roth var. elegans Gilbert]
[=Athyrium filix-foemina (L.) Roth var. rubellum Gilbert]
[=Athyrium michauxii (Spreng.) Fée]
[=Athyrium michauxii (Spreng.) Fée forma furcata Hahne]
[Athyrium filix-femina var. angustum and var. cyclosorum have been elevated to species status; the range of Athyrium filix-femina, sensu stricta (s.st.) is now restricted to Europe.]