Suggested citation and version history for:  


  Powell, B.F., Halvorson, W.L., and Schmidt, C.A., eds., 
       2007, Vascular plant and vertebrate inventory of 
       Saguaro National Park, Tucson Mountain District:  
       U.S. Geological Survey Open-File Report 2007-1296, 
       92 p. [http://pubs.usgs.gov/of/2007/1296/].


  Version 1.0

  July 15, 2009
  Released online at
  http://pubs.usgs.gov/of/2007/1296/

  2007
  Initial release in paper form at the USGS Southwest 
  Biological Science Center, Sonoran Desert Research 
  Station, University of Arizona, Tucson, Arizona.