Dining on the Wilds
Sells a video course about wild edible plants. Provides a list of edible plants and their nutritional value.

Dr. Duke's Phytochemical and Ethnobotanical Database
A phytochemical and ethnobotanical database compiled by Dr. Jim Duke of the Agricultural Research Service/USDA.

Herb Net
Collection of resources for herbalists, including a calendar of events.

Incredible Edibles
A list of edible and medicinal plants found in California.

Internet Directory for Botany: Images
Many links to plant photographs.

Medicinal Herb FAQ
Discusses individual herbs, what herbs to use for specific health problems, and how to process herbs.

Native American Ethnobotany Database
Plant-derived dyes, drugs, food, and fibers of native North American peoples.

Poisonous Plants
A database compiled by Dr. Dan Brown of Cornell University.

Southwest School of Botanical Medicine
Offers a 5 month, February-July residency program. Includes photo galleries of medicinal plants, links, texts and manuals. Located in Bisbee, Arizona.