Index / Search / Athyrium americanum
§1 Plant
Athyrium americanum (Butters) Maxon
vernacular alpine ladyfern — species · Dryopteridaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Fern
- Family
- Dryopteridaceae Herter
- Genus
- Athyrium
Native status, by region
- AK Alaska Native
- CAN Canada Native
- GL Greenland Native
- L48 Lower 48 States Native
County-level range
· 77 counties across 10 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 77 counties across 10 states/territories.
Alaska view state ↗ 9 N ▾
California view state ↗ 21 N ▾
Colorado view state ↗ 6 N ▾
Idaho view state ↗ 10 N ▾
Montana view state ↗ 1 N ▾
Nevada view state ↗ 2 N ▾
Oregon view state ↗ 10 N ▾
Utah view state ↗ 2 N ▾
Washington view state ↗ 14 N ▾
Wyoming view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ATAM ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5275039 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z