narrowleaf swordfern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Polypodiales
- family: Dryopteridaceae
- genus: Polystichum
- species: Polystichum imbricans
Boulder Creek- Crestline
California- Corvallis
- Lake Oswego
- Oak Grove
Oregon- Chelan
- East Wenatchee
- East Wenatchee Bench
- Leavenworth
- Wenatchee
Washington
United States