LSD, or lysergic acid diethylamide, is a robust hallucinogenic drug that is chemically derived from lysergic acid located in the ergot fungus. Typically referred to as LSD, it is a intellect-altering material that can induce rigorous sensory experiences and distort reality, generally called a “trip.” NL Nov 8, 2013 #5 https://e-bookmarks.com/story5225913/indicators-on-lsd-aztec-99-you-should-know