Toxins

Mycotoxins@ (7)
Poisonous Plants@ (7)

See also:

American.edu: Blowfish and Trade - Outline and overview of this subject.
AmericanMushrooms.com: The Death Cap Mushroom (Amanita phalloides) - Images, description, related mushrooms, and discussion of toxicity.
Bad Bug Book: Ciguatera Fish Poisoning - Caused by the consumption of subtropical and tropical marine finfish which have accumulated naturally occurring dinoflagellate toxins through their diet. Includes cause, associated fish, symptoms, and outbreaks.
Bad Bug Book: Mushroom Toxins - Includes toxic substances and their effects, symptoms, diagnosis, descriptions of some poisonous mushrooms, and outbreaks.
Bad Bug Book: Scombrotoxin - Caused by the ingestion of foods that contain high levels of histamine. Includes cause, symptoms, associated foods, and outbreaks.
Bad Bug Book: Tetrodotoxin - Pufferfish or Fugu poisoning. Includes cause, symptoms, prognosis, and outbreaks.
Bad Bug Book: Various Shellfish-Associated Toxins - Caused by consuming shellfish that have accumulated dinoflagellate toxins. Features cause, symptoms, associated foods, and outbreaks.
CDC: Ciguatera Fish Poisoning - Includes factsheet and publications.
Cyclopeptide-Containing Mushroom Toxicity - Features cause, symptoms, treatment, and possible antidotes.
DBMD - Marine Toxins - Discusses the causes, symptoms, and prevention of several toxins carried by fish and shellfish.
eMedicine - Toxicity, Mushrooms - Article by Mary E Cataletto, MD.
eMedicine - Toxicity, Tetrodotoxin - Article by Theodore Benzer, MD, PhD.
eMedicine Health - Ricin - Consumer health resource center providing information on the symptoms and treatment of ricin poisoning.
Food Safety Research Information Office: Ciguatoxin - Directory of factsheets, reports, press releases, and resources on the toxin.
Harmful Algal Blooms and Biotoxins - Factsheet on algal blooms and their effects on humans through affected fish and shellfish.
Human Illness Associated with Harmful Algae - Discusses the various fish and shellfish toxicities of humans caused by the animal's ingestion of toxic algae.
The Merck Manual: Chemical Food Poisoning - Causes, symptoms, and signs of poisoning caused by eating plants or animals that contain a naturally occurring poison.
Mytraveldoctor: Blue-Green Algae Toxicosis - Describes the occurrence, manifestations, diagnosis, treatment, and prevention of the disease.
Poisonous Mushrooms - Description of toxic species and the symptoms their toxins produce.
Ricin Toxin from the Castor Bean Plant - Scientific and medical article on the toxin and its effects.
What You Should Know About Pfiesteria piscicid - This toxic dinoflagellate can cause symptoms in people exposed to water contaminated by the toxin. Information about the organism and links to technical and other material on this organism.
WHO: Water-related diseases - Cyanobacterial Toxins - Includes cause, effects on people, distribution, scope of the problem, and prevention.