Burke: Polystichum imbricans vs. Polystichum braunii

	Polystichum imbricans	Polystichum braunii
	imbricate sword-fern, rock sword-fern	Braun's holly-fern

	Polystichum imbricans	Polystichum braunii
Habitat	Drier habitats such as open rock crevices and dry conifer forest, occasionally on serpentine, mostly at low elevations.	Moist coniferous forest, often where rocky.
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 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. [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. californicum, P. californicum × P. munitum, P. imbricans, 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
Subordinate taxa	P. imbricans ssp. imbricans
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Polystichum braunii

imbricate sword-fern, rock sword-fern

Braun's holly-fern

Polystichum braunii

Habitat

Drier habitats such as open rock crevices and dry conifer forest, occasionally on serpentine, mostly at low elevations.

Moist coniferous forest, often where rocky.

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 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.

[WildflowerSearch map]

[BONAP county map]

Origin

Native

Conservation status

Not of concern

Sibling taxa