1) Transient recurrence of disturbances in perception that are reminiscent of those experiences during one or more earlier hallucinogen intoxication. This side effect is seen rarely with recreational use of psilocybin, and has not been reported in scientific studies done under supportive clinical conditions. The maitake (Grifola frondosa) is found at the base of oak trees in China and Japan and has been observed in Northeastern North America. It’s a perennial and matures in the late summer and early fall after a rain. Resembling a wavy bit of coral, the maitake is often incorporated into Japanese dishes. More bonuses If you see a mop-looking mushroom turned upside-down, it’s probably a lion’s mane (Genus Hericium). Found in the fall in North America, all the white parts are edible.