Fr: dryoptère intermédiaire
Provincial Status: N
Range: Temp.-sBoreal eNA; thr. Nfld.
[=Aspidium intermedium Willd. (basionym)]
[=Aspidium americanum Davenp. 1878, nom. illeg. hom., non Torr. 1818]
[=Aspidium grayanum Regel]
[=Dryopteris austriaca (Jacq.) Woyn. ex Schinz & Thell. var. intermedia (Willd.) C.V.Morton]
[=Dryopteris intermedia (Willd.) A.Gray forma furcata C.F.Reed]
[=Dryopteris intermedia (Willd.) A.Gray forma sparsifrondosa C.F.Reed]
[=Dryopteris spinulosa (O.F.Müll.) Kuntze var. intermedia (Willd.) Underw.]
[=Filix spinulosa (O.F.Müll.) Farw. var. intermedia (Willd.) Farw.]
[=Filix-mas spinulosa (O.F.Müll.) Farw. var. intermedia (Willd.) Farw.]
[=Lastrea intermedia (Willd.) C.Presl]
[=Nephrodium intermedium (Willd.) C.Presl]
[=Nephrodium spinulosum (O.F.Müll.) Strempel forma intermedia (Willd.) Gilbert]
[=Nephrodium spinulosum (O.F.Müll.) Strempel var. intermedia (Willd.) Davenp. ex Gilbert]
[=Thelypteris intermedia (Willd.) House]
[=Thelypteris spinulosa (O.F.Müll.) Nieuwl. var. intermedia (Willd.) Nieuwl.]
[Dryopteris intermedia is diploid and one of the parent species of allotetraploids Dryopteris campyloptera and Dryopteris carthusiana (FNA 2:287). Two specimens, reported to be Dryopteris intermedia were collected by the late M. Macdonald (Jacques-Whitford/Stantec) during the 2006 Lower Churchill fieldwork.]