[Swordferns East of the Crest of the Cascade Mountains of Oregon and Washington]
Holly Fern, Mountain Hollyfern, Northern Holly-fern

Polystichum lonchitis

Synonym: Polypodium lonchitis

Holly Fern, Mountain Hollyfern, Northern Holly-fern: Polystichum lonchitis (Synonym: Polypodium lonchitis)

Holly fern as seen along the Canyon Mountain Trail #218, Strawberry Mountain Wilderness................August 19, 2011.

Dorsal surface of a leaflet of Holly Fern, Mountain Hollyfern, Northern Holly-fern: Polystichum lonchitis (Synonym: Polypodium lonchitis) - Portion of the ventral surface of a leaf of Holly Fern, Mountain Hollyfern, Northern Holly-fern: Polystichum lonchitis (Synonym: Polypodium lonchitis) - Ventral surface of a leaflet of Holly Fern, Mountain Hollyfern, Northern Holly-fern: Polystichum lonchitis (Synonym: Polypodium lonchitis)

Close-ups of the dorsal and ventral surfaces of the leaflets of holly fern as seen along the Canyon Mountain Trail #218, Strawberry Mountain Wilderness................August 19, 2011.
Paul Slichter