Western Oakfern, Common Oak Fern, Northern Oak Fern
Gymnocarpium dryopteris
Synonyms: Dryopteris linnaeana, Lastrea dryopteris, Phegopteris dryopteris, Polypodium dryopteris, Thelypteris dryopteris

The photo above shows western oak fern and bunchberry (Cornus unalaschkensis) as seen in moist forest at the eastern edge of Swampy Meadows on the west side of Mt. Adams........August 11, 2008.
Paul Slichter