Polystichum imbricans (D.C. Eaton) D.H. Wagner . × Polystichum scopulinum
Annotated by Soltis, P., 2000.

Washington: Kittitas: Rivulet on E side of Beverly Creek; about 1 mile from end of Road 232a.
47.411593° N, 120.882689° W,
Datum: NAD83. Coordinate Source: OrlookId: 122224, StateProvince: Washington, County: Kittitas, LocName: 22N 16E 07. OregonFlora 1994-2020 methodology.
Growing in open, side of rivulet. Https://oregonflora.org/collections/individual/index.php?occid=1109159.

David H. Wagner 321, Sep 13, 1973
OSC, Catalog: OSC-V-005487, Accession Number: ORE109186