[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.

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

Several views of holly fern as seen on cliffs about one-half mile north of Wildhorse Lake, Steens Mountain, Harney County, Oregon............July 10, 2014.

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 along the East Fork Lostine River Trail on a series of switchbacks with forest to the south and a granitic boulder field to the north in the Eagle Cap Wilderness.........August 4, 2016.

Paul Slichter