Brickell, C., ed in chief. The American Horticultural Society encyclopedia of Gardening. New York, New York: DK Publishing, Inc., 2003. Print.

Burns, G. W. 1974. The plant kingdom. New York, New York: Macmillan Publishing Co., Inc., 1974. Print

Burrows, G. E. and Tyrl, R. J. Toxic plants of North America. Ames, Iowa: Iowa State University Press, 2001. Print.

Campbell, N. A. and Reece, J. B. Biology (8th Edition). San Francisco, California: Pearson Education, Inc., 2007. Print.

“Canyon Country Outdoor Education: Fifth Grade Curriculum.” National Park Service. Web. 19 Apr. 2013.

Capon, B. Botany for gardeners: An Introduction and Guide. Portland, Oregon: Timber Press, 1990. Print.

Cronquist, Arthur. Integrated system of classification of flowering plants. New York: Columbia University Press, 1981. Print.

"Definition of obconica. Meaning of obconica. Synonyms of obconica." Wordaz. WordAZ, n.d. Web. 8 Apr. 2013. <>.

Dill, J. F. and Kirby, C. A. "Pest Management Fact Sheet #5036." The University of Maine. Cooperative Extension: Insect Pests & Plant Diseases , n.d. Web. 18 Apr. 2013.

"Evening primrose oil: MedlinePlus Supplements." National Library of Medicine - National Institutes of Health. U.S. National Library of Medicine, 7 Mar. 2013. Web. 17 Apr. 2013.  <>.

Frohne, Dr. D and Pfander, Dr. H. J. Poisonous Plants: A Handbook for Doctors, Pharmacists, Toxicologists, Biologists and Veterinarians. Portland, Oregon: Timber Press, Inc., 2005. Print.

"How Do Plants Reproduce?" Science. LoveToKnow, Corp, n.d. Web. 17 Apr. 2013.  

“How to Manage Pests: Pests in Gardens and Landscapes.” University of California Agriculture and Natural Resources.  The Regents of the University of California, Nov. 2009. Web. 19 Apr. 2013. <>.

Knowles, Elizabeth. "primrose." The Oxford Dictionary of Phrase and Fable. 2006. 17 Apr. 2013.

"Notes on poisoning: Primula obconica ." Government of Canada . N.p., 9 Jan. 2009. Web. 17       Apr. 2013.

Offner, S. 2001. A universal phylogenetic tree. The American Biology Teacher. 63: 164-171.

"Primrose Plant: The Primrose Plant - Medical Use, Facts, History, Legends About the Primrose Flower." Flower Fantasy. FloFan, n.d. Web. 17 Apr. 2013.

Rayburn, A. P., Davidson, J. B., White, H. M. 2012. Possible effects of moss on distribution and performance of a threatened endemic primrose. Western North American Naturalist
72: 84-92  

Schmidt-Lebuhn, A. N., de Vos, J. M., Keller, B., Conti, E. 2010. Phylogenetic analysis of          
Primula section Primula reveals rampant non-monophyly among morphologically    
distinct species. Molecular Phylogenetics and Evolution 65: 22

Special thank you to Armstrong Garden Centers for allowing me to use their picture as my cover photo!!

Also, I would like to extend a thank you to my Organismal Biology teachers Dr. Volk and Dr. Sandland for helping me with my website.

Last stop is about me! Click here to learn about the author of this website.
Back to the home page.