Fimbristylis castanea

Fimbristylis castanea, commonly known as marsh fimbry or saltmarsh fimbristylis, is a perennial sedge of the family Cyperaceae that is native to the United States of America.

Description
Fimbristylis castanea commonly grows up to 1 m in height, forming thick clumps. Its narrow leaves grow from the base of the plant. They are dark brown and sturdy at the base and grow from one half to two thirds of the plant's height in length. The small flowers of the sedge are hidden behind dark, glossy, brown scales that form budlike spikelets.

Distribution and habitat
It is found in the south eastern states from Texas extending east and north around the coast as far as New York.

It commonly grows in salt marshes coastal dunes, and brackish marsh inland, especially near wharves.