I *think* these are Deadly Galerina (Galerina marginata), one of the most poisonous mushrooms in Colorado. Consumption can lead...

Toxicity

San Juan Mountains, Colorado | 2021

I *think* these are Deadly Galerina (Galerina marginata), one of the most poisonous mushrooms in Colorado. Consumption can lead to kidney and liver failure within 24 hours. Photo © copyright by Jack Brauer.