Polystichum
holly-fern, sword-fern
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Polystichum
Publication: Tent. Fl. Germ. 3: 31, 69. 1799.
Publication: Tent. Fl. Germ. 3: 31, 69. 1799.
Synonyms & Misapplications:
(none provided)
Species in Polystichum:
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Polystichum andersonii – Vancouver holly-fern, Anderson's sword-fern
Occurring chiefly west of the Cascades crest in Washington; southern Alaska to northern Oregon, northern Idaho, and northwest Montana. -
Polystichum braunii – Braun's holly-fern Occurring east of the Cascades crest in Washington, where known only from Pend Oreille County; Alaska to northeastern Washington, east to northern Idaho, also from Great Lakes region to northeastern North America; interruptedly circumboreal.
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Polystichum californicum – California sword-fern Occurring west of the Cascades crest in Washington; southern British Columbia to California.
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Polystichum imbricans – imbricate sword-fern, rock sword-fern Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to California, eastern Idaho, and northern Idaho.
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ssp. imbricans – imbricate fern, narrow-leaved sword fern Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to California, eastern Idaho, and northern Idaho.
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Polystichum kruckebergii – holly fern, Kruckeberg's sword fern fern Occurring in the Olympics and Cascades mountains in Washington; southeast Alaska to California, east to Montana, Idaho, Nevada and Utah.
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Polystichum lemmonii – Lemmon's holly fern, Shasta fern Occurring on both sides of the Cascades crest in the northern half of Washington, southern British Columbia to northern California.
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Polystichum lonchitis – mountain fern, northern holly fern Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, also in the Great Lakes region and northeastern North America; Greenland.
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Polystichum munitum – common sword fern, western fern Occurring chiefly west of the Cascades crest in Washington; British Columbia to Mexico, east to Montana, and disjunct in South Dakota.
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Polystichum scopulinum – mountain holly fern, rock sword fern Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Additional Resources:
PNW Herbaria: Specimen records of Polystichum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Polystichum checklist entry
OregonFlora: Polystichum information
E-Flora BC: Polystichum atlas page
CalPhotos: Polystichum photos
205 photographs:
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