Distribution:  Southern U.S. to Mesoamerica

Habitat:  Low moist places, often in pine woods depressions

Recognition:  Resembles a miniature R. fascicularis but the leaf blades < 1 mm wide.  Spikelets unusually light-colored. Achene 2-2.5 mm long. Tubercle 1.5-1.7 long, often abruptly narrowed and frequently with concave sides (or triangular)

Florida status:   Native, common in moist pine woods depressions