This is a sedge. Most Rhynchospora species are wind pollinated. The white bracts of this species attract insects. Can use as a groundcover in moist s , Tolerance, Tolerant of inundation with brackish water Some tolerance to salty wind but not direct salt spray. , Habitat, Wet flatwoods, wet prairie. , Did You Know?, Showy flowers Attracts bees and butterflies.  This is a sedge, and most sedges are wind pollinated, so having a showy "flower" and attracting insects

According to Kew Gardens, it is from Central America and probably Cuba and Florida.   After going through the photos and labels for specimens in the S , Tolerance, Unknown Some tolerance to salty wind but not direct salt spray. , Considertions, Noted for being weedy. , Habitat, Disturbed. Old orange groves, pasture, roadsides. May occur naturally along the west FL coast including shell mounds and dunes . All records for in , Did You Know?, Showy flowers