Keywords: Rhynchospora glomerata AWP-SW.png en Rhynchospora glomerata - Clustered beaksedge<br>a top of plant X 1/2;<br>b scale X 25;<br>c achene X 15 1972-01 Aquatic and Wetland Plants of the Southwestern United States Water Pollution Control Research Series Environmental Protection Agency Research and Monitoring January 1972 Page 474 Fig 244 Donovan S Correll Southern Methodist University and Helen B Correll Botanical Editor and Research for EPA Illustration courtesy of R K Godfrey other versions PD-USGov Rhynchospora glomerata Aquatic and wetland plants of southwestern United States |