*"Twelve grams or more of a mixture or substance containing a detectable amount ...

		tyingq on Feb 1, 2021 \| parent \| context \| favorite \| on: Drug decriminalization in Oregon begins today "Twelve grams or more of a mixture or substance containing a detectable amount of psilocybin or psilocin." From: https://www.oregonlaws.org/ors/475.752 So, it sounds like 12 grams, regardless of strength. I guess don't get caught with one undried mushroom :)