Carex bulbostylis

Carex bulbostylis, known as the false hair sedge, is a species of sedge native to the southcentral and southeastern United States. It was first formally named by Kenneth Mackenzie in 1915. It is also known as the eastern narrowleaf sedge, thick style sedge, and globose sedge. 
It has previously been treated as a variety of both "Carex amphibola" and "Carex grisea".
Distribution and habitat.
"Carex bulbostylis" is endemic to the southern United States where it occurs from eastern Texas and Oklahoma to Mississippi, with a disjunct population in southwestern Tennessee.
It grows in a variety of habitats, from prairies to deciduous forests, floodplains and their adjacent slopes, and disturbed areas such as roadsides and grazed meadows. It is commonly found in calcareous areas. 