1. Brodo, I. M., Duran Sharnoff, S., Sharnoff, S. (2001, August 29).  Lichens of North America [WWW document]. URL http://www.lichen.com/  
2. Grieve, M. (2001). A Modern Herbal. Botanical.com Home Page [WWW document]. URL http://www.botanical.com/  
3. Kozak, C. (1999, November 10). Native Plants of Montara Mountain [WWW document]. URL http://plants.montara.com/  
4. Seto, E. K. (2000, October 23). Eileen's Mushroom Mania [WWW document]. URL http://www.geocities.com/RainForest/Andes/8896/Mania/  
5. Allernet. National Pollen Network (2001). [WWW document]. URL http://www.allernet.com/  
6. Atlas of Florida Vascular Plants. Institute for Systematic Botany, University of South Florida (2000). [WWW document]. URL http://www.plantatlas.usf.edu/  
7. Botany Encyclopedia of Plants and Botanical Dictionary. J.L. Clairmonte Holdings Inc. (2001, June 29). [WWW document]. URL http://www.botany.com/  
8. Edible Sierra Nevada Plants. BackCountry Rangers (2001, June 14). [WWW document]. URL http://www.backcountryrangers.com/plants_index.html  
9. Estonian Vertebrates. Science Didactics Department, Univercity of  Tartu (1998, November 18). [WWW document]. URL http://bio.edu.ee/animals/  
10. Tao Herb Farm's Culinary and Medicinal Herbs. Tao Herb Farm (2001, September 11). [WWW document]. URL http://www.taoherbfarm.com/herbs/  
11. The Amazing World of Birds. Earth-Life Web Productions (2001, September 8). [WWW document]. URL http://www.earthlife.net/birds/  
12. The Butterfly WebSite. Family of Nature WebSites (2001, September 13). [WWW document]. URL http://mgfx.com/butterfly/  
13. The Friendly World of Lichens. Earth-Life Web Productions (2001, September 8). [WWW document]. URL http://www.earthlife.net/lichens/  
14. The Incredible World of Mammals. Earth-Life Web Productions (2001, September 8). [WWW document]. URL http://www.earthlife.net/mammals/  
15. The Wonderful World of Insects. Earth-Life Web Productions (2001, September 8). [WWW document]. URL http://earthlife.net/insects/  
16. New Jersey Agricultural Weed Gallery. Rutgers Cooperative Extension (2001, May 29). [WWW document]. URL http://www.rce.rutgers.edu/weeds/  
17. Web of Species. Wellesley College (2001, January 31). [WWW document]. URL http://www.wellesley.edu/Activities/homepage/web/index.html  
18. Wildlife, River Restoration Projects and Conservation Work in Wales. Llandysul Angling Association (2000, July 15). [WWW document]. URL http://www.fishing-in-wales.com/wildlife/index.htm