Scientific Name - Cyperus polystachyos Rottb.
Family - Cyperacea
Annual with stems of varying heights. Leaf blades reddish-brown to greenish-brown. Seedhead branches tightly clustered to open and diffusely spreading. Seeds in long, very narrow, flattened, reddish-brown spikes. Reproduces by seed. Occurs in occasionally moist to wet sandy soils. Found from Massachusetts to Missouri, south into Florida and west to Texas. Cosmopolitan in the tropics, the West Indies and Central America, Europe, Asia and Hawaii.