Tetragonotheca helianthoides is a species of flowering plant that grows in the southeastern United States. It is a perennial dicot in the Asteraceae family. Common names for it include pineland nerveray, squarehead, and pineland ginseng. It produces an achene fruit. Several two-foot stems grow from its crown and it has a thick taproot. It has yellow flowers.
It has been observed growing in habitats such as mixed oak woodlands, mixed deciduous flatwoods, and forested uplands.Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: July 2015. Collectors: Loran C. Anderson, Gary R. Knight, R.K. Godfrey, Sidney McDaniel, D. B. Ward, D. Burch, Richard S. Mitchell, B. L. Turner, R. Kral, Wilson Baker, William T. Gillis, Ira L. Wiggins, Dorothy B. Wiggins, Gwynn W. Ramsey, H. L. Stripling, Carol H. Beck, Robert F. Martin, R. A. Norris, R. Komarek, Lisa Keppner, Bill Boothe, Marcia Boothe, Annie Schmidt, A. Johnson, M. Jenkins, B. Cole Irvin. States and Counties: Florida: Alachua, Calhoun, Columbia, Escambia, Gadsden, Holmes, Jackson, Lafayette, Lake, Leon, Madison, Marion, Santa Rosa, Wakulla, Walton, Washington. Georgia: Grady.
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