Upright, mounding sedge with dark brown to black rhizomes, small spiked inflorescences, and narrow, mostly basal leaves. Species of prairies and other open areas in western states; adventive in lower Midwest roadside ditches, near railroad tracks and other disturbed areas. High salt tolerance. Plants may be monoecious or dioecious. Native to western US and central Kansas; adventive populations in Kansas City and St. Louis. Use is not recommended outside of urban areas.

Photo: Syntax Design