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B Ergot fungus
Lysergic Acid Diethylamide (LSD) is one of the most dangerous hallucinogens which is obtained from the Ergot fungus called Claviceps purpurea.
Image of a wheat plant infected with the ergot fungus
It creates delusions, visual hallucinations, distortion of sense of time and identity, impaired depth and time perception, artificial sense of euphoria or certainty, distorted perception of the size and shape of objects, movements, colour, sounds, touch and the user’s own body image, severe, terrifying thoughts and feelings, fear of losing control, fear of death and panic attacks
Cinchona is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. Cinchona alkaloids show promise in treating falciparum malaria, which has evolved resistance to synthetic drugs.
Datura is a genus of nine species of poisonous flowering plants belonging to the nightshade family Solanaceae. There are three drugs produced naturally by Datura plants: hyoscyamine, atropine, and scopolamine.
Cocaine is a tropane alkaloid and stimulant drug obtained primarily from the leaves of coca plant, Erythroxylum coca. It is most commonly used as a recreational drug and euphoriant.