For identification, recognition, and other information about many invasive plant species, readers are referred to Identification and Biology of Nonnative Plants in Florida's Natural Areas, 2nd Ed. by K. A. Langeland, H. M. Cherry, C. M. McCormick, and K. A. Craddock Burks (2008), which is available from the UF/IFAS Extension Book Store (800-226-1764 or <a href="http://ifasbooks.ifas.ufl.edu).Regulatory">http://ifasbooks.ifas.ufl.edu).Regulatory</a> Age