Erianthus coarctatus, the compressed plumegrass or brown plume grass, is a species of perennial grass found in North America.
Description Erianthus coarctatus can reach in height, with blades up to in length and 1 centimeters in width. The blades are scaberulous with glabrous sheaths. When grain is produced, it is ellipsoid in shape, reddish in color, and reaches a length of .Fernald Rhodora 45: 246 (1943)
Distribution and habitat Within North America E. coarctatus'''s range stretches from Delaware to Florida and westward to Texas.
It can be found in mesic environments such as marshes, swamps, and depression ponds. E. coarctatus'' is often observed in habitats that experience frequent fire.Ostertag, T. E. and K. M. Robertson (2007). A comparison of native versus old-field vegetation in upland pinelands managed with frequent fire, south Georgia, USA. Proceedings of the 23rd Tall Timbers Fire Ecology Conference: Fire in Grassland and Shrubland Ecosystems, Tallahassee, Tall Timbers Research Station.
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