[Ferns, Clubmosses and Liverworts of Mt. Adams Country]

Sword Ferns of Mt. Adams Country

The Genus Polystichum (Dryopteridaceae)

A clear example of the term crevice plants: imbricate sword fern (Polystichum imbricans) and lace lip fern (Cheilanthes gracillima) as seen on a rock face along the Round the Mt. Trail #9 in the Mt. Adams Wilderness.........September 5, 2008.

Imbricate Sword Fern, Narrow-leaved Sword-fern: Polystichum imbricans ssp. imbricans (Synonym: Polystichum munitum var. imbricans) -

Kruckeberg's Holly Fern, Kruckeberg's Holly-fern, Kruckeberg's Sword Fern: Polystichum kruckebergii -

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

Western Sword Fern, Common Sword Fern: Polystichum munitum (Synonym: Aspidium munitum, Polystichum munitum var. munitum) -

Rock Sword Fern, Mountain Holly-fern: Polystichum scopulinum (Synonyms: Aspidium aculeatum var. scopulinum, Polystichum mohrioides var. scopulinum ) -

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