The Gray's sedge (Carex grayi) belongs to Cyperaceae (the Sedge family). It is a perennial herb that is native to eastern North America. This herb grows in floodplain, riverine and swamps, and can reach 60-90 cm in height. The leaves are basal and alternate, mostly near the base, smooth and hairless, or rough and sandpapery. The separate male and female spikes, with a single staminate spike 0.6-6 cm long at the tip of the stem. Below the male spike are 1 or 2 erect female spikes, round in outline, 2.5-3.8 cm in diameter, on stalks up to 3.5 cm long.