Canada's Plant Hardiness Site

Synonymy

Athyriaceae family
Athyrium americanum (Butters) Maxon
En: American alpine lady fern, alpine lady fern;
Fr: athyrie alpestre américaine
    • [=Athyrium alpestre (Hoppe) Rylands ex T.Moore subsp. americanum (Butters) Lellinger]
    • [=Athyrium alpestre (Hoppe) Rylands ex T.Moore var. americanum Butters (basionym)]
    • [=Athyrium alpestre (Hoppe) Rylands ex T.Moore var. gaspense Fernald]
    • [=Athyrium alpestre (Hoppe) Rylands ex T.Moore var. typicum Fernald, nom. inval.]
    • [=Athyrium distentifolium Tausch ex Opiz subsp. americanum (Butters) Hultén]
    • [=Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) B.Boivin]
    • [=Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) Cronquist 1969, nom. illeg. isonym, non (Butters) B.Boivin 1966]
    • [=Phegopteris alpestris (Hoppe) Mett. var. americana (Butters) Jeps.]
    • [=Phegopteris rhaetica Watt. var. americana (Butters) Farw.]
    • [=Pseudathyrium alpestre Newman subsp. americanum (Butters) comb. ined.]