Literature Cited
- Angiosperm Phylogeny Group (APG IV). 2016. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants:Botanical Journal of the Linnean Society. 181: 1-20.
- Angiosperm Phylogeny Group (APG III).2009. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: Botanical Journal of the Linnean Society. 161: 105-121.
- Angiosperm Phylogeny Group (APG II). 2003. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: Botanical Journal of the Linnean Society. 141: 399-436.
- Angiosperm Phylogeny Group (APG). 1998. An ordinal classification for the families of the flowering plants. Annals of the Missouri Botanical Garden. 85: 531-553.
- Christenhusz J.M. & J. W. Byng. 2016. The number of known plants species in the world and its annual increase. Phytotaxa 261:201–217.
- Correll, D.S and M.C. Johnston, 1979. Manual of the vascular plants of Texas. University of Texas at Dallas, Richardson.
- Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. New York and Oxford.
- Jones, F.B. 1975. Flora of the Texas Coastal Bend Texas. Mission Press, Corpus Christi, TX, USA.
- Richardson, A. 2002. Wildflowers and other plants of Texas beaches and islands. University of Texas Press, Austin, TX, USA.
