Polystichum setigerum (K. Presl) K. Presl
Annotated by D. H. Wagner, 1976. Remarks: Washington State University. Investigation of North American Polystichum.

Alaska: [locality and coordinates withheld; status in Alaska: S3 (Vulnerable; ACCS)],
Mountain slope in coniferous woods. Indefinite loan by Tacoma High School to University of Washington. In pencil on sheet: " Also from Olympus - Isotype." [First number (1) on collection number is hidden under specimen on sheet]. Phenology: Spores. Isotype: Polystichum alaskense Maxon. Published 1918. Amer. Fern J. 8: 35. 1918

J. B. Flett 917, Jul 19, 1901
WTU, Accession: 36715, Barcode: WTU-V-000011