Possession penalty
Knowing possession is a Class D felony, punishable by up to 7 years in prison and a fine of up to $10,000; the cited statute provides no psilocybin-specific weight tier.
MO Psilocybin law · Reviewed Nov 12, 2026
Psilocybin remains a Schedule I controlled substance in Missouri, and the 2026 proposals described here have not become law.
Knowing possession is a Class D felony, punishable by up to 7 years in prison and a fine of up to $10,000; the cited statute provides no psilocybin-specific weight tier.
The supplied sources report no current Missouri psilocybin therapy or state research program. SB 1767 proposed a limited therapeutic-use pathway for eligible veterans and first responders enrolled in a study, with a facilitator and a 150 mg annual limit, plus up to $2 million in research grants subject to appropriation. It also proposed removing Schedule I substances from the right-to-try exclusion and requiring a study of alternative therapies. The bill was referred to committee, not enacted; current right-to-try law excludes Schedule I substances.
No city or county measures found in our sources.
The cited legal article says the statute does not name spores, but cautions that this silence does not establish they are lawful; another supplied source claims spores are legal.
Our sources did not address amanita for Missouri. It is not federally controlled; check state food and drug rules.
The supplied article says a 2026 House proposal involving ibogaine did not become law. The supplied sources do not describe a Missouri psilocybin-related MDMA or LSD program.
Missouri's controlled-substance statute was last amended, according to the supplied legal article; it lists psilocybin and psilocyn in Schedule I.
SB 1767 was introduced with proposed veteran and first-responder therapeutic-use and research provisions; the supplied bill page reports it was second read and referred to committee.
On May 7, HB 1717 and HB 1643 were placed on the Senate informal calendar; the supplied article says they did not become law.
The supplied November 1 Revisor search still lists the psilocybin schedule provision as last updated August 28, 2020.
Number of states in each category. Missouri’s category is highlighted.
Access score from 0 (illegal) to 5 (licensed adult access).
Listings describe themselves; Pscilly does not sell psilocybin, and sellers outside a state program are labeled “not state-licensed.”
Psilocybin remains a Schedule I controlled substance in Missouri, and the 2026 proposals described here have not become law.
Knowing possession is a Class D felony, punishable by up to 7 years in prison and a fine of up to $10,000; the cited statute provides no psilocybin-specific weight tier.
The supplied sources report no current Missouri psilocybin therapy or state research program. SB 1767 proposed a limited therapeutic-use pathway for eligible veterans and first responders enrolled in a study, with a facilitator and a 150 mg annual limit, plus up to $2 million in research grants subject to appropriation. It also proposed removing Schedule I substances from the right-to-try exclusion and requiring a study of alternative therapies. The bill was referred to committee, not enacted; current right-to-try law excludes Schedule I substances.
The cited legal article says the statute does not name spores, but cautions that this silence does not establish they are lawful; another supplied source claims spores are legal.
Pscilly classifies Missouri as: illegal. Laws change often, so check the linked sources and current state rules.
Educational summary, not legal advice. Pscilly reviewed these laws on November 12, 2026 using the sources listed; laws change often, so confirm current rules with the state or a lawyer. Psilocybin remains a Schedule I controlled substance under federal law.
Pscilly is a mushroom directory and marketplace for the U.S., Canada, Europe and beyond, covering mushroom shops, licensed psilocybin centers, smart shops, retreats, mushroom brands, delivery services, events and deals. Listings come from the businesses themselves and from public sources, and every listing links to the business.