Distribution: Occurring on both sides of the Cascades in Washington; British Columbia to California, east to Montana, Idaho, Nevada and Utah.

Habitat: Open slopes, typically among rocks; tolerant of serpentine.

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Terrestrial perennials with ascending stems.

Leaves monomorphic, erect, 1-2.5 dm, lacking bulblets; petiole 1/5 length of leaf or less, with sparse covering of light brown scales that become smaller distally; blade linear, 1-pinnate-pinnafitid, base narrowed; pinnae rhombic-ovate to short-falcate, proximal pinnae somewhat triangular, pinnae overlapping and twisted slightly out of blade plane, 0.5-1.5 cm, base oblique, acroscopic auricle distinct, margins shallowly cut to barely dentate or finely serrated, teeth spreading and spiny at tip, apex acute; microscales lanceolate, confined to costa on bottom surface.

Indusia entire; spores dark brown.