Rhynchospora inundata (Oakes) Fernald

Distribution: Western and Southeastern U.S.

Habitat:  Marshes, ditches, shallow ponds

Recognition:   Spikelets, achenes and tubercles > 10 mm long

          Bristles 2X the achene length…R. inundata (common)

          Bristles ½ the achene length…R. corniculata (rare)

Florida status:   Native and abundant in marshy habitats

Note:  This species is often infested dramatically with the smut fungus Testicularia cyperi.  The pustules are eggshell glossy white, black when broken open.  For  more information consult Mycologia 18 (4), 1926.