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

culms - prostrate or ascending, not rooting at nodes growth habit 1, growth habit 2

leaves - blades flat, hairs at base, rolled in bud; auricles absent; ligule membranous; sheaths open, flattened, smooth sometimes with sparse hairs, often reddish

seedheads - whorled spikes, spikelets two-rowed

Images:

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