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OTHER COMMON NAMES:  hard crab, silver crabgrass, crowsfoot.

LIFE CYCLE:  Summer annual; reproduces entirely by seed; begins germination in May to June; seed production from June to September; dies in autumn.

MAJOR CHARACTERISTICS*:  Differs from crabgrass since it has flat stems and does not root at lower nodes; stems branched, arise from tufts (A); flowers and seeds produced in two rows (zipper-like) along one side of the 2 to 10 finger-like branches at the top of the stem (B).

LOCATION:  Full sun, thin and/or closely mowed turf, heavy traffic areas.