Dr. Duke's Phytochemical and Ethnobotanical Database
   A phytochemical and ethnobotanical database compiled by Dr. Jim Duke of the Agricultural Research Service/USDA.
   http://www.ars-grin.gov/duke

Herb Net
   Collection of resources for herbalists, including a calendar of events.
   http://www.herbnet.com

Incredible Edibles
   A list of edible and medicinal plants found in California.
   http://www.laspilitas.com/classes/edible.htm

Internet Directory for Botany: Images
   Many links to plant photographs.
   http://www.helsinki.fi/kmus/botpics.html

Native American Ethnobotany Database
   Plant-derived dyes, drugs, food, and fibers of native North American peoples.
   http://herb.umd.umich.edu/

Poisonous Plants
   A database compiled by Dr. Dan Brown of Cornell University.
   http://www.ansci.cornell.edu/plants/