Athyrium distentifolium

Tausch ex Opiz
Tent. fl. crypt. Boem. 1: 14. 1820..
Treatment appears in FNA Volume 2.

Distribution

Alta., B.C., Nfld. and Labr. (Nfld.), Que., Yukon, Alaska, Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo., Europe, Asia.

Discussion

Varieties ca. 3 (1 in the flora).

Selected References

None.