Lemmon's Holly Fern, Shasta Fern
Polystichum lemmonii
Synonyms: Polystichum mohrioides, Polystichum mohrioides var. lemmonii
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Lemmon's holly fern observed atop Big Red Mountain on the Siskiyou Crest, Rogue River-Siskiyou National Forest......July 16, 2020.
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Lemmon's holly fern observedin California along the Pacific Crest Trail #2000 about a mile or so east of the saddle above Echo Lake and slightly further east of the Red Buttes Wilderness boundary, Klamath National Forest.......July 14, 2020.
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Shasta ferns observed atop Observation Peak, Siskiyou Crest, Rogue River-Siskiyou National Forest.......July 15, 2020.
Shasta fern as seen next to Tweedy's lewisia on Wedge Mt., Wenatchee National Forest.........June 8, 2009.
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Close-up views of the leaflets, including the sori of shasta fern as seen on Wedge Mt., Wenatchee National Forest..........June 8, 2009.
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Additional views of shasta fern as seen on Wedge Mt., Wenatchee National Forest.........June 8, 2009.
Paul Slichter