Lipocarpha microcephala (R. Br.) Kunth
Distribution: Adventive weed
Habitat: Wet pinelands
Florida status: Introduced Old World Species
Recognition: Thin and grassy. Culms mostly > 10 cm (to 35 cm vs. usually < 10 cm in our other species); achenes elongate (> 3.5 X as long as wide); spikelets 2-8 mm long (< 5 mm in our other species)