Canada's Plant Hardiness Site

Athyriaceae family
Athyrium filix-femina var. angustum (Willd.) G.Lawson
En: northeastern lady fern, northern lady fern, upland lady fern, subarctic lady fern;
Fr: athyrie fougere-femelle, fougere femelle du Nord, athyrium a segment etroits

• [=Aspidium angustum Willd. - basionym]
• [=Asplenium elatius Link]
• [=Asplenium filix-femina (L.) Bernh. var. michauxii (Spreng.) Mett.]
• [=Asplenium michauxii Spreng.]
• [=Athyrium angustum (Willd.) C.Presl]
• [=Athyrium angustum (Willd.) C.Presl forma confertum Butters]
• [=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. laurentianum Butters]
• [=Athyrium angustum (Willd.) C.Presl var. rubellum (Gilbert) Butters]
• [=Athyrium angustum (Willd.) C.Presl var. subtripinnatum 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 ex Mertens var. sitchense sensu Fernald 1950, non Rupr. ex Moore]
• [=Athyrium filix-femina (L.) Roth ex Mert. forma elegans (Gilbert) Clute]
• [=Athyrium filix-femina (L.) Roth ex Mert. forma laurentianum (Butters) Fernald]
• [=Athyrium filix-femina (L.) Roth ex Mert. forma rubellum (Gilbert) Farw.]
• [=Athyrium filix-femina (L.) Roth ex Mert. subsp. angustum (Willd.) R.T.Clausen]
• [=Athyrium filix-femina (L.) Roth ex Mert. (unranked) elegans Gilbert]
• [=Athyrium filix-femina (L.) Roth ex Mert. var. michauxii (Spreng.) Farw.]
• [=Athyrium filix-femina (L.) Roth ex Mert. var. rubellum Gilbert]
• [=Athyrium michauxii (Spreng.) Fée]