is a perennial rush that occurs broadly in western North America, including the states of Alaska, Washington, Oregon, California, Idaho, Montana, Colorado, northeastern Utah, northern New Mexico and western South Dakota, as well as the Canadian provinces of British Columbia and Alberta. Habitats include meadows, open woodland and coniferous forest at a wide elevation occurrence of 50 to 3200 meters.
Commonly known as Pacific woodrush this tufted perennial herb grows to heights of 40 centimeters. The spheric capsules are greenish to dark brown. Flowers are typically umbellate in form.