Digitaria ischaemum

Common Name: 
smooth crabgrass, small crabgrass
Scientific Name: 
Digitaria ischaemum (Schreb. ex Schweig.) Schreb. ex Muhl.
Family Name: 
Poaceae (Graminae) - Grass Family
Identification Notes
Life Cycle
introduced annual, reproducing by seed
prostrate or ascending, not rooting at nodes
Culms of Smooth Crabgrass
Culms of Smooth Crabgrass
blades flat, hairs at base, rolled in bud; auricles absent; ligule membranous; sheaths open, flattened, smooth sometimes with sparse hairs, often reddish
whorled spikes, spikelets two-rowed