Echinochloa P.Beauv.
Glumes stiff-hispid; spikelets ± loosely arranged on one side of the rhachis Echinochloa
Spikelets awned
Culms up to 1.8 m high. Spikelets narrow-elliptic, 3–4.2 mm long. Panicle 20–35 cm long. Coast. In or near water. Fl. summer. Swamp Barnyard Grass Echinochloa telmatophila
Culms 25–90 cm high. Spikelets ovate-elliptic, 2.5–4 mm long Echinochloa crus-galli