Amanita strobiliformis is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of mushroom

Mushroom

A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name "mushroom" is the cultivated white button mushroom, Agaricus bisporus; hence the word "mushroom" is most often applied to those fungi that...

.

Description

The cap is 3 to 10 inches across, is rough with warts which sometimes fall away leaving the cap smooth, whitish, and sometimes has some brown. The gills are free and rounded behind. The veil is large and sometimes adhere to the margin of the cap. The stipe

Stipe (mycology)

thumb|150px|right|Diagram of a [[basidiomycete]] stipe with an [[annulus |annulus]] and [[volva |volva]]In mycology a stipe refers to the stem or stalk-like feature supporting the cap of a mushroom. Like all tissues of the mushroom other than the hymenium, the stipe is composed of sterile hyphal...

 (stem) is 3 to 8 inches long, thick, white, bulbous, and sometimes weighs a pound. The spores are elliptical.

Toxicity

In many sources this species is said to be harmless, but still then its edibility is doubted and uncertain . So caution should be taken before consuming this fungus. It contains ibonetic acid or muscimol

Muscimol

Muscimol is the major psychoactive alkaloid present in many mushrooms of the Amanita genus. Unlike psilocin , which is a serotonergic psychedelic and agonist for the 5-HT2A receptor set, muscimol is a potent, selective agonist for the GABAA receptor set and is a deliriant as a opposed...

 like Amanita muscaria

Amanita muscaria

Amanita muscaria, commonly known as the fly agaric or fly amanita , is a poisonous and psychoactive basidiomycete fungus, one of many in the genus Amanita...

and Amanita pantherina.

Habitat

The species can be found in light woods or on the borders of the woods, usually by itself or in clusters. The mushroom is rare.