Psilocybin Decriminalization
Explore mushroom research and guides on psilocybin decriminalization.
Decriminalization vs. Legalization: What's the Difference?
Psilocybin policy spans four distinct models beyond the decriminalization vs. legalization binary. Here's what each means for possession, sales, and access.
Denver, Oakland, and Beyond: The Decriminalization Wave
Denver voted 50.6% for I-301 in May 2019, the first US city to decriminalize psilocybin. Oakland followed weeks later. Here's what the data says it produced.
Psilocybin Decriminalization City by City: A Complete US Tracker
Which US cities have decriminalized psilocybin? A tracker of 15+ jurisdictions covering dates, policy types, and current status through May 2026.
The Arguments for and Against Psilocybin Decriminalization
Both sides of the psilocybin decriminalization debate, with the primary research behind each argument, including Nutt 2010 and Rockhill 2025.