Psilocybe subaeruginascens is a psychedelic mushroom

Psychedelic mushroom

Psilocybin mushrooms are fungi that contain the psychoactive compounds psilocybin and psilocin. There are multiple colloquial terms for psilocybin mushrooms, the most common being shrooms or magic mushrooms....

 which has psilocybin

Psilocybin

Psilocybin is a naturally occurring psychedelic prodrug, with mind-altering effects similar to those of LSD and mescaline, after it is converted to psilocin. The effects can include altered thinking processes, perceptual distortions, an altered sense of time, and spiritual experiences, as well as...

 and psilocin

Psilocin

Psilocin , an aromatic compound, sometimes also spelled psilocine, psilocyn, or psilotsin, is a psychedelic mushroom alkaloid. It is found in most psychedelic mushrooms together with its phosphorylated counterpart psilocybin...

 as main active compounds. This mushroom is closely related to Psilocybe subfimetaria and Psilocybe stuntzii

Psilocybe stuntzii

Psilocybe stuntzii, also known as Stuntz's Blue legs and Blue Ringers it is a psilocybin mushroom of the Strophariaceae family, having psilocybin andpsilocin as main active compounds....

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Description

• The cap is 1-6 cm, conical to convex, tan brown, hygrophanous
  Hygrophanous
  The adjective hygrophanous refers to the color change of mushroom tissue as it loses or absorbs water, which causes the pileipellis to become more transparent when wet and opaque when dry....
  
  , margin striate when moist, and often has a broad umbo
  Umbo (mycology)
  thumb|right|[[Cantharellula umbonata]] has an umbo.thumb|right|The cap of [[Psilocybe makarorae]] is acutely papillate.An umbo is a raised area in the center of a mushroom cap. Caps that possess this feature are called umbonate. Umbos that are sharply pointed are called acute, while those that are...
  
  . It bruises bluish where damaged.
• The gills are crowded, sometimes forking, slightly mottled, cream color when young, violet brown in age, with adnate to adnexed and sometimes subdecurrent attachment.
• The spores are dark violet brown, rhomboid to subrhomboid to subellipsoid, and 7.5-12 x 6.5-8.5 µm .
• The stipe is 2.5 to 6.5 cm long, .2 to .3 cm thick, white to gray, finely striate, and equal to slightly enlarged near the base. It has a well-developed partial veil which leaves a persistent membranous annulus on the upper stem. It bruises blue where damaged.
• The taste and odor are farinaceous.

Distribution and habitat

Psilocybe subaeruginascens grows in gregariously and in cespitose clusters in wood chips, piles of leaves, and woody debris in urban areas and along trails and roads in deciduous forests and gardens. It is occasionally found in dung. It is found from April to July in southern Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and subtropical Java

Java

Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...

. This species or a very similar one has also been reported from the Bay Area of California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

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