This mushroom contains between 0.5 to 1.0 percent psilocybin.

The mushroom contains the medicinal compound psilocybin and is found in Colombia.

The mushroom also contains a natural rubber that has been chemically characterized.

The police said the mushrooms contained the illegal substance psilocybin.

And, mushrooms, which are 90 percent water, contain only limited quantities of protein and minerals.

A single mushroom contains anywhere from 0.2 to 0.4 percent psilocybin.

Some mushrooms contain less toxic compounds and, therefore, are not severely poisonous.

This mushroom contains high levels of arabitol, which may account for the gastrointestinal symptoms some people experience.

The mushroom contains clavaric acid, which has been shown to reduce the rate of tumor development when given to mice.

The mushroom contains several compounds that act as deterrents to deter feeding by insects.