United States, Washington, Cowlitz, Mount St. Helens National Volcanic Monument and vicinity, north side WA Rt. 504; drainage (valley) of the North Fork of Toutle River. Elev. ca. 2700-3200 ft. West Cascade Range & Crest Ecoregion.
Volcanic ash and small rocks near small waterfall. Within eruption blast zone. Rocky, disturbed soil along road.; Seepage slope, south facing, north side of road.; Rather common annual herb with white flowers that age pink.