(Trifolium spp.): Pea family; perennial; seed leaves
spatulate, smooth; blades taper into petiole; first leaf
simple, truncated at base, round to broadly oval; later leaves
with 3 leaflets per leaf, smooth, alternate, lower surface
gray-green, upper surface-green; usually light-green splotch
near base of each leaflet.
Johnsongrass (Sorghum halepense):
Grass family; perennial; first leaves with white midvein,
8 times longer than wide and rolled in bud; ligule membranous
below and fringed or toothed above; no auricles.
(Paspalum dilatatum): Grass family; perennial; first
leaves rolled in bud; ligule membranous and tall, with bluntly
pointed or rounded tip; long, silky hairs at collar; no auricles;
sheaths flattened with prominent midrib; first leaf sheaths
(Cyperus esculentus): Sedge family; perennial; grasslike;
light-green blades, flat, slender; leaf tip long and drawn
out; nutlets globe shaped, smooth, and almond flavored.
(Cynodon dactylon): Grass family; perennial; first
leaves with somewhat rough surface; ligule surrounded by
ring of hairs with tuft of long hairs on either side; auricles
absent; stem flat, wiry, and without hairs.