In the Federal Republic of Germany the useage of psychoactive plants and parts of them is condemned and forbidden. The Kripo scannes the WWW with special robots, which seek key-words like "Marihuana", "LSD" and the like. I am protesting against this form of prosecution. The consequences of criminalization are well-known. Please follow the link below, if you want to know more on psychoactives in shamanism.
Council on Spiritual Practices - Entheogen Project