Athyrium americanum

Athyrium americanum
	File:Athyrium distentifolium americanum (Alpine Lady-fern) (7993253369).jpg
	On the slopes of Naches Peak, Washington state
	File:Athyrium distentifolium americanum (Alpine Lady-fern) - Flickr - brewbooks.jpg
	Close-up of frond
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
	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

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[1]

[2]

Athyrium americanum

References

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