Cyperus echinatus (L.) Alph. Wood Cyperus echinatus (L.) Alph. Wood, Class-book Bot. (ed. 1861): 734. 1861 sec. Govaerts 2013=Cyperus ovularis (Michx.) Torr. in Ann. Lyceum Nat. Hist. New York 3: 278. 1836 syn. sec. ???