Athyrium americanum

Athyrium americanum
On the slopes of Naches Peak, Washington state
Close-up of frond

Apparently Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Athyriaceae
Genus: Athyrium
Species:
A. americanum
Binomial name
Athyrium americanum
(Butters) Maxon
Synonyms[1]
List
    • Athyrium alpestre var. americanum Butters
    • Athyrium alpestre subsp. americanum (Butters) Lellinger
    • Athyrium alpestre var. gaspense Fernald
    • Athyrium alpestre var. typicum Fernald
    • Athyrium distentifolium subsp. americanum (Butters) Hultén
    • Athyrium distentifolium var. americanum (Butters) B.Boivin
    • Phegopteris alpestris var. americana (Butters) Jeps.
    • Phegopteris rhaetica var. americana (Butters) Farw.

Athyrium americanum, the American alpine lady fern, is a species of fern in the family Aspleniaceae.[2] It is native to the Russian Far East, subarctic North America, and the west to west-central United States.[1] It occurs at higher altitudes and latitudes than Athyrium filix-femina, the common lady fern.[2]

References

  1. ^ a b "Athyrium americanum (Butters) Maxon". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 4 July 2022.
  2. ^ a b Mason, Herbert Louis (January 1957). A Flora of the Marshes of California. Berkeley and Los Angeles: University of California Press. p. 27. ISBN 9780520014336. {{cite book}}: ISBN / Date incompatibility (help)
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