Setaria parviflora (Poir.) Kerguélen
Natural range: U.S. to Mesoamerica, Caribbean
Habitat: Weedy, usually in moist sites
Florida status: Native?
Recognition: Panicle < 8 cm long; bristles numerous. Spikelets < 2.3 (2.8) mm long. Panicle < 8 cm long
Setaria pumila is similar but has spikelets about 3 mm long, and often has panicles exceeding 8 cm long.