Native Plants
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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 Symbol: ATAM
USDA Native Status: L48 (N), AK (N), CAN (N), GL (N)
From the Image Gallery
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Plant Characteristics
Duration: PerennialHabit: Herb , Fern
Size Notes: Fronds up to about 3 feet long.
Bloom Information
Bloom Color: Not ApplicableBloom Notes: Non-flowering, sporulating plant.
Distribution
USA: AK , CA , CO , ID , MT , NV , OR , UT , WA , WYCanada: AB , BC , NL , QC , YT
Native Habitat: Wet talus slopes, rocky hillsides, alpine meadows.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FAC | FAC | FAC | FAC |
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 PlantsFNA: Find Athyrium americanum in the Flora of North America (if available)
Google: Search Google for Athyrium americanum
Metadata
Record Modified: 2020-10-30Research By: CBR