Asplenium
spleenwort
2 species
2 subspecies and varieties
2 subspecies and varieties
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Asplenium trichomanes – maidenhair spleenwort
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, also in southern Rocky Mountain states and in central U.S. and eastern North America.
Habitat: Cliff crevices, rocky outcroppings, and talus slopes, generally where moist.
Origin: Native
Spores: May-September
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, also in southern Rocky Mountain states and in central U.S. and eastern North America.
Habitat: Cliff crevices, rocky outcroppings, and talus slopes, generally where moist.
Origin: Native
Spores: May-September
Growth Duration: Perennial
• ssp. quadrivalens – maidenhair spleenwort
• ssp. trichomanes – maidenhair spleenwort
Asplenium viride – green spleenwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across northern North America to New England and the Canadian Maritimes; circumboreal.
Habitat: Cliff crevices, especially on limestone, often near or above timberline.
Origin: Native
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across northern North America to New England and the Canadian Maritimes; circumboreal.
Habitat: Cliff crevices, especially on limestone, often near or above timberline.
Origin: Native
Growth Duration: Perennial
