no HD illustration available (m2)
Eleocharis quadrangulata (Michx.) Roemer & Schultes {80 922644 Scirpus quadrangulatus Michx.}
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 188 (1972) [M. Barnas-Pomeroy]