What keeps it from happening?What kills it?Return to WeedsGalleryNutsedgeDESCRIPTION: The plant commonly called nutsedge is actually two different species of weeds in the genus Cyperus. The most commonly encountered species are the yellow nutsedge and the purple nutsedge. Both are considered invasive and difficult to control, as they have a complex system of underground tubers that allow them to survive …