Best Answer: spores for psilocybin mushrooms (magic mushrooms) are perfectly legal to buy and ship to the United States. this is because the spores contain no psilocybin or psilocyn, the active chemicals that make you hallucinate. The actual fruit bodies (the part of the mushroom people are familiar with) are very illegal. read more
In the rest of the country, it is not illegal to just sell the spores, but selling them with the purpose of producing hallucinogenic mushrooms is illegal. Except for ornamental purposes, growing, selling or possessing Psilocybe spp. and Conocybe spp. is prohibited by Louisiana State Act 159. read more