Paspalum setaceum Michx.
Natural range: North America, Caribbean, Mesoamerica
Habitat: Weedy
Florida status: Abundant common turf weed in disturbed sites
Recognition: Leaves flat (vs. P. monostachyum) and often purplish. Inflorescences often axillary in addition to terminal. Spikelets paired, 1.5-2 mm long or a little more. Can have just one spike.