Eastern Prickly Pear Cactus 
Opuntia humifusa


Information From:

Abella, Scott R., and John F. Jaeger. "Ecology of Eastern Prickly Pear Cactus." Academic       Search Premier. EBSCO. Accessed 25 Mar. 2010. http://oak.ucc.nau.edu/sra8/files/Abella%202004%20Opuntia%20Mich%20Bot.pdf.

Anderson, Edward F., Wilhelm Barthlott, and Roger Brown. The Cactus Family. Portland, Or.: Timber, 2001.

Christman, Steve. "Floridata: Opuntia Humifusa." Welcome to Floridata. 27 Mar. 1998. Accessed  2 Apr. 2010.

Committee on the Status of Endangered Wildlife in Canada. COSEWIC Assessment and Update Status Report on the Eastern Prickly Pear Cactus. Rep. Minister of Public Works and Government Services Canada, 2002. Academic Search Premier. Accessed 25 Mar. 2010.

Estrada-Luna, A. A., C. López-Peralta, and E. Cárdenas-Soriano. "In Vitro Micrografting and the Histology of Graft Union Formation of Selected Species of Prickly Pear Cactus (Opuntia Spp.)." Academic Search Premier. EBSCO, 14 Feb. 2002. Accessed 25 Mar. 2010.

"Opuntia Humifusa Raf. Devil's-tongue." United States Department of Agriculture Natural Resources Conservation Service Plants Database. USDA. Accessed 2 Apr. 2010. http://plants.usda.gov/java/profile?symbol=ophu

"Orders & Families of Dicots." FLORESFLOWERS.COM. Accessed. 22 Apr. 2010. http://www.floresflowers.com/taxa/Dicots.html.

"StateMaster - Encyclopedia: Opuntia." StateMaster - US Statistics, State Comparisons. Accessed 5 Apr. 2010.

Vilà, Montserrat. "Opuntia Ficus-indica." Academic Search Premier. EBSCO, 4 Oct. 2006. Accessed 25 Mar. 2010.

Images From:

Baskauf, Steven J. "Opuntia Humifusa." Bioimages. Oct. 2003. Accessed  2 Apr. 2010. http://www.cas.vanderbilt.edu/bioimages/species/ophu.htm.

"Opuntia." Wikipedia, the Free Encyclopedia. Accessed 5 Apr. 2010. http://en.wikipedia.org/wiki/Opuntia#Medical_uses.

Tenaglia, Dan. "Opuntia Humifusa." Missouri Flora Web Page. 8 Feb. 2007. Accessed 5      Apr. 2010.