Rhynchospora filifolia A. Gray

Distribution: South-central U.S. to South America

Habitat: Varied moist habitats

Florida status: Native

Recognition: Leaf blades 1-2 mm wide. Spikelets 2.5-3 mm long (usually > 3.5 mm in the similar R. fascicularis). Achene small: 1.5 mm long (vs. 2 mm in R. fascicularis), smooth, bristles longer than tubercle (vs. shorter in R. fernaldii and in R. fascicularis). Tubercle 0.4-0.6 mm long.