Green kyllinga is primarily a weed of turfgrass and lawns that is usually found in damp or wet areas. This weed may be found from Rhode Island south to Florida, and west to Texas. Leaves do not have ligules or auricles and have a distinct ridge along the midvein, but are nevertheless often mistaken for grasses. Dark green in color and have a distinctly shiny appearance.
Leaves have a distinct ridge along the midvein.
The leaves of green kyllinga taper gradually to a sharp point. Stems may reach 6 inches in height and produce a terminal seedhead. A dense system of rhizomes that are red to purple in color. However, green kyllinga lacks tubers unlike yellow or purple nutsedge, and rice flatsedge only has a fibrous root system, unlike any of the other species. Additionally, the three distinctive leaves below the seedhead of green kyllinga helps to distinguish this weed from either yellow or purple nutsedge.