| Scientific Name | Polystichum imbricans (D.C. Eaton) D.H. Wagner ssp. imbricans |
| Family | Dryopteridaceae |
| Common Names | imbricate or narrow-leaved sword fern |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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5.8 mi. SW of Byers on Cow Cr. Rd., SW of Riddle, 870 ft. elev.; N42.88846, W123.56028 – Douglas Co., OR – 5/1/2011 
5.8 mi. SW of Byers on Cow Cr. Rd., SW of Riddle, 870 ft. elev.; N42.88846, W123.56028 – Douglas Co., OR – 5/1/2011 
5.8 mi. SW of Byers on Cow Cr. Rd., SW of Riddle, 870 ft. elev.; N42.88846, W123.56028 – Douglas Co., OR – 5/1/2011 
5.8 mi. SW of Byers on Cow Cr. Rd., SW of Riddle, 870 ft. elev.; N42.88846, W123.56028 – Douglas Co., OR – 5/1/2011 
5.8 mi. SW of Byers on Cow Cr. Rd., SW of Riddle, 870 ft. elev.; N42.88846, W123.56028 – Douglas Co., OR – 5/1/2011
