Works Cited

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     1 Nov. 2005  <http://www.cssainc.org/>.

Holden, Stephen.  "Cactus Fun." New York Times
     16 May 1998, natl. ed.: A1+.

Johnson, Greg.  "Cactus in Arizona."
     Arizona Highways  Sept. 2001: 78-80.

Nobel, Park. S. Cacti: Biology and Uses.  Berkeley, CA: University of
     California Press, 2002.

Phinney, Alan.  "Cinderella Cactus."  Sunset  Oct. 2001. 
     Infotrac Onefile.  Gale Group.  Cuyamaca College Lib.,
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     <http://web6.infotrac.galegroup.com>.