<i>Scirpus cyperinus</i> (L.) Kunth - woolgrass
Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute.
1989
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/largeImage?imageID=sccy_002_ahp.tif">USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln.</a>