Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Wet open areas, ledges, rock outcroppings from moderate to high elevations in the mountains.
Flowers: February-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, reddish-glandular stems 1-2.5 dm. tall.
Leaves basal, the blades ovate, up to 6 cm. long and 3 cm. wide, with 15-30 rounded teeth, reddish-woolly on the lower surface; petioles slender, shorter or somewhat longer than the blades.
Inflorescence an open, flat-topped panicle, the bracts reddish-woolly; calyx reddish-woolly, divided about half its length, the 5 ovate lobes 1-2.5 mm. long; petals 5, white, 2-3.5 mm. long, broadly ovate, narrowed abruptly to the base; stamens 10, the filaments awl-shaped, reddish; ovary about 1/3 inferior.
Follicles reddish
PNW Herbaria: Specimen records of Micranthes rufidula in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Micranthes rufidula checklist entry
OregonFlora: Micranthes rufidula information
E-Flora BC: Micranthes rufidula atlas page
CalPhotos: Micranthes rufidula photos