barnyardgrass
Echinochloa crus-galli                                         

Identifying Characteristics:

Seed:  tan colored seed; arched in side view; short, stiff bristles on lemma; can be awned; light, longitudinal lines on dorsal side

Seedling:  leaves rolled in whorl; smooth, broad, glabrous leaf blades; broad collar; no auricles or ligule

Mature Plant: mostly erect growth habit; panicle inflorescence with many branches; nearly sessile, one-sided racemes

Method of Propagation: seed

Life Cycle: warm-season annual

References: Abaye, A. Ozzie. "Identification & Adaption: Common Grasses, Legumes & Non-leguminous Forbs of the Eastern United States."
Bryson, Charles T. & Michael S DeFelice. "Weeds of the Midwestern United States & Central Canada."