The Cyperaceae Family<BR>Cyperaceae or the Sedges include 17 different genera <BR> <BR>Those species most commonly viewed as troublesome weeds are found in the Cyperus genus. <BR> <BR>Of the 45 Cyperus species in the Southeast U.S., 29 are perennials <BR> <BR>There are two primary perennial Cyperus spp. that cause economic losses.<BR>