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Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Athyrium americanum

Athyrium americanum (Butters) Maxon

Alpine Ladyfern, American Alpine Lady Fern

Dryopteridaceae (Wood Fern family)

Synonym(s): Athyrium alpestre, Athyrium alpestre ssp. americanum, Athyrium alpestre var. americanum, Athyrium alpestre var. gaspense, Athyrium distentifolium ssp. americanum, Athyrium distentifolium var. americanum


USDA Native Status: L48 (N), AK (N), CAN (N), GL (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Size Notes: Fronds up to about 3 feet long.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating plant.


USA: AK , CA , CO , ID , MT , NV , OR , UT , WA , WY
Canada: AB , BC , NL , QC , YT
Native Habitat: Wet talus slopes, rocky hillsides, alpine meadows.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Athyrium americanum in USDA Plants
FNA: Find Athyrium americanum in the Flora of North America (if available)
Google: Search Google for Athyrium americanum


Record Modified: 2020-10-30
Research By: CBR

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