Detail 1
Multidisciplinary Association for Psychedelic Studies is the leading psychedelic research agency in the United State.
https://maps.org
Detail 2
The Third Wave is a great online resource for understanding the effects of each and every psychedelic out there.
https://thethirdwave.co/psychedelics/
Detail 3
Medicinal Mindfulness is a Colorado based community of conscious cannabis use. They have group events and several psychologist who work with psychedelics.
https://www.medicinalmindfulness.org