Photo credit: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln.
A great choice for use in wetlands restoration, this is a common and very adaptable sedge. Clump forming plant with green-tan foliage and brown seed capsules. Thrives in wet to moist soils in partial shade to full sun.
For more information on this plant, visit the USDA PLANTS Database: http://plants.usda.gov/java/profile?symbol=CAST5