Expansion of cattail, Typha domingensis , is perhaps the most conspicuous indicator of long-term degradation of the Florida Everglades. The spread of cattail in the Everglades has been tracked at a landscape scale through photointerpretation of aerial and satellite photography (Rutchey and Vilchek 1994, Jensen et al. 1995, Rutchey and Vilchek 1999 and Rutchey et al. 2008) and has provided an im...