Setaria macrosperma (Scribb. & Merr.) K. Schum.
Coral Bristlegrass
Natural range: Mostly coastal Florida (and beyond)
Habitat: Usually shell mounds and other marly coastal habitats, coastal hammock
Florida status: Native
Recognition: Chiefly coastal. Plants to 2 m tall. Leaf blades to 2 cm wide. Panicle to 25 cm. Spikelets > 3 mm long