4 species
2 subspecies and varieties
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Pellaea brachypteraSierran cliffbrake
Distribution: Occurring east of the Cascades crest, where disjunct in Chelan County; otherwise, Lane County, OR to the Sierra Mountains of California.
Habitat: Dry, rocky slopes from lowlands to montane.
Origin: Native
Spores: May-July
Growth Duration: Perennial
Pellaea breweriBrewer's cliffbrake
Distribution: In the Cascades and Olympic Mountains in WA; southern British Columbia to California, east to western Montana, Utah, and Colorado.
Habitat: Talus slopes, cliff crevices and other rocky places, foothills to timberline.
Origin: Native
Spores: June-September
Growth Duration: Perennial
Pellaea gastonyiGastony's cliff-brake
Origin: Native
Pellaea glabellasmooth cliff-brake
Distribution: Occurring east of the Cascades crest in Washington; central British Columbia to Washington, east to the southern Rocky Mountains, and eastward to central and eastern North America.
Habitat: Cliff crevices, limestone or basalt, from lowlands to the montane.
Origin: Native
Growth Duration: Perennial
ssp. simplex – simple cliffbrake