Plant Profile: Amanita chlorinosma

The distinctive features of this mushroom include its large, powdery cap, thickened base, and a potent odor reminiscent of chlorine or decaying meat, making it easily identifiable. While there are other Amanita species that also emit a chlorine scent, they typically possess more pronounced scales and a ring (annulus) on the stalk. It is advisable to steer clear of all such Amanitas.

The cap can reach an impressive diameter of up to 10 inches, appearing whitish and adorned with dense, soft, powdery scales that may wash away in the rain. The gills are closely spaced, also whitish, with fluffy edges. The stalk is significantly swollen at the bottom, often with its lower third buried in the ground, and is white in color. The annulus is delicate and white, frequently remaining on the edges of the cap without any tissue connecting it to the stalk. The spore print is white, and a strong chlorine smell is particularly noticeable when the mushroom is broken or sealed in a container for a period.

This mushroom is typically found growing alone in wooded or natural settings, often beneath oak or pine trees, though it is less commonly found under pines.