UW Burke Herbarium species comparison

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Polystichum imbricans

Polystichum lonchitis

imbricate sword-fern, rock sword-fern

mountain fern, northern holly fern

Polystichum imbricans

Polystichum lonchitis
Habitat Drier habitats such as open rock crevices and dry conifer forest, occasionally on serpentine, mostly at low elevations. Talus slopes and cliff crevices, occasionally in coniferous forests, middle to high elevations in the mountains
Distribution
Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to California, eastern Idaho, and northern Idaho.
[WildflowerSearch map]
[BONAP county map]
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.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Not of concern Not of concern
Sibling taxa
P. andersonii, P. braunii, P. californicum, P. californicum × P. munitum, P. kruckebergii, P. kruckebergii × P. munitum, P. lemmonii, P. lemmonii × P. munitum, P. lemmonii × P. scopulinum, P. lonchitis, P. munitum, P. munitum × P. scopulinum, P. scopulinum
P. andersonii, P. braunii, P. californicum, P. californicum × P. munitum, P. imbricans, P. kruckebergii, P. kruckebergii × P. munitum, P. lemmonii, P. lemmonii × P. munitum, P. lemmonii × P. scopulinum, P. munitum, P. munitum × P. scopulinum, P. scopulinum
Subordinate taxa
P. imbricans ssp. imbricans
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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