Index / Search / Polystichum imbricans ssp. imbricans
§1 Plant
Polystichum imbricans (D.C. Eaton) D.H. Wagner ssp. imbricans
vernacular narrowleaf swordfern — subspecies · Dryopteridaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Fern
- Family
- Dryopteridaceae Herter
- Genus
- Polystichum
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
County-level range
· 60 counties across 3 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 60 counties across 3 states/territories.
California view state ↗ 26 N ▾
- Alameda 06001
- Butte 06007
- Calaveras 06009
- Colusa 06011
- Del Norte 06015
- El Dorado 06017
- Glenn 06021
- Humboldt 06023
- Lake 06033
- Los Angeles 06037
- Marin 06041
- Mariposa 06043
- Mendocino 06045
- Monterey 06053
- Nevada 06057
- Placer 06061
- Plumas 06063
- San Diego 06073
- Santa Barbara 06083
- Shasta 06089
- Siskiyou 06093
- Sonoma 06097
- Tehama 06103
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
Oregon view state ↗ 21 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POIMI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/6424955 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z