Abildgaardia - like Scleria with a bulbous base
Bulbostylis - filiform leaves - often on drier sites
Carex - perigynium
Cladium - 1 sp. saw toothed lvs.
Cyperus (includes Kyllingia) - Bracts subtending inflorescence.
Dulichium - 1 sp.  round straight stem w/ 3 ranked leaves
Eleocharis - no leaf blades, single spikelets - tubercle
Fimbristylis -  terminal infl.
Fuirena - 3 clawed scales in perianth.
Lipocarpha - like Kyllingia but 3 or more lobed.
Rhynchospora (includes Dichromena) - tubercle. often bristles.
Scirpus - bristles but no tubercle.
Schoenus - distichous fls, w/bristles, 1 sp. fresh water.
Scleria - achene like an egg.
Websteria - umbellate floating aquatic