Simplify the following text for a Grade 8 native English-speaking person.
Original: Collectively known as psilocybin mushrooms , these are commonly called `` boomers '' , `` sacred mushrooms '' , `` magic mushrooms '' , or more simply '' ` shrooms '' .
Simplified: It occurs in many kind of fungi and mushrooms , most notably Psilocybin mushrooms . Most of these are known as psychedelic mushrooms .