Natural Toxins: A Journal
Publish original research papers and critical review articles on the occurrence, isolation, identification, and characterization of natural products with toxic activities. Particular emphasis will be placed on evaluating the significance of the effects of such toxicants on humans.

The Toxic Amanita
Fact sheet outlining the poisonous aspects of the Amanita family of mushrooms.

Naturally Occurring Toxic Factors
List of abstracts of the United States Department of Agriculture, Agricultural Research Service.

Botanical Dermatology Database
An electronic re-incarnation of Botanical Dermatology by John Mitchell and Arthur Rook.

The Natural Toxins Institute
Texas A and M University - Kingsville initiative conducts natural toxins research. The current research focus is on the biochemistry of snake toxins and animals that have a natural resistance to snake venoms.

Blue-Green Algae (Cyanobacteria)
Fact sheet about the naturally produced toxins in certain species of cyanobacteria.