Xyris brevifolia, the shortleaf yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to Brazil, the West Indies, and the southeastern United States (Florida, Alabama, Georgia, and the Carolinas).Biota of North America Program 2014 county distribution mapMalme, G. O. K. 1925. Xyridaceen der Insel Cuba. Arkiv för Botanik utgivet av K. Svenska Vetenskapsakademien 19(19): 1-6.

Xyris brevifolia is a perennial herb up to 60 cm (2 feet) tall with narrow leaves up to 15 cm (6 inches) long, and yellow flowers.Flora of North America, Xyris brevifolia Michaux, 1803.

It is found most commonly in habitat types such as river floodplains, coastal mesic flatwoods, and cypress depression swamps. It also occurs in disturbed habitats.Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: November 2015. Collectors: Mary Atkinson, Loran C. Anderson, Edwin L. Bridges, George R. Cooley, A.H. Curtiss, Richard J. Eaton, Bob Fewster, Robert K. Godfrey, E.M. Hodgson, Richard D. Houk, Ann F. Johnson, Lisa Keppner, Mabel Kral, Robert Kral, O. Lakela, Sidney McDaniel, Marc Minno, Joseph Monachino, Steve L. Orzell, Paul O. Schallert, Cecil R. Slaughter, Robert F. Thorne, D.B. Ward, S.S. Ward. States and Counties: Florida: Alachua, Baker, Bay, Bradford, Citrus, Clay, Collier, Columbia, Dixie, Flagler, Franklin, Hamilton, Highlands,  Hillsborough, Indian River, Lee, Leon, Levy, Liberty, Okeechobee, Osceola, Pinellas, Santa Rosa, Sarasota, Seminole, Sumter, Volusia, Wakulla, Walton, Washington.

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