General:
Deciduous perennial in clumps from a compact rhizome.

Leaves:
Densely tufted, deciduous, the stipes of old leaves not persisting at the base; sterile leaves spreading, broadly triangular, 5-20 cm long, 2- to 3-pinnate, their segments oblong or egg-shaped, each of them with 4-8 teeth; fertile leaves erect, narrowly triangular, their segments linear, 3-12 mm long.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia