Distribution: Both sides of the Cascades in Washington; Alaska south to Oregon and Nevada, east to Saskatachewan and south to New Mexico.
Habitat: Dry to wet open areas, rock crevices, meadows, and streambanks from moderate to high elevations in the mountains.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
Herbaceous perennial from short, horizontal rhizomes, the 1-3 leafless, pubescent stems 1-2.5 dm. tall.
Leaves basal, the blades elliptic, up to 6 cm. long and 3 cm. wide, with 15-30 rounded teeth; petioles slightly winged, 1-3 times as long as the blades.
: Inflorescence pyramidal, somewhat compact, up to 10 cm. long, the branches ascending; calyx divided about half its length, the 5 ovate lobes 1-2.5 mm. long; petals 5, white, broadly elliptic, 1.5-3 mm. long; stamens 10, the filaments club-shaped; ovary less than 1/3 inferior
Follicles greenish
PNW Herbaria: Specimen records of Micranthes occidentalis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Micranthes occidentalis checklist entry
OregonFlora: Micranthes occidentalis information
E-Flora BC: Micranthes occidentalis atlas page
CalPhotos: Micranthes occidentalis photos