Echinochloa colona (L.) Link
Jungle Rice
Natural range: Almost worldwide in warm climates. Old World tropics? Original "natural range" obscured
Habitat: Weed of moist disturbed places
Florida status: Not native, weed, common and widespread
Recognition: Sheaths glabrous. Ligule absent. Inflorescences with the branches simple. Spikes about 2 cm, unbranched. Spikelets 3 mm, awnless or nearly so.