Brown Roll-Rim

Paxillus involutus

Description: Paxillus involutus, or the brown roll-rim, is a widespread funnel-shaped mushroom once considered edible but now known to cause fatal autoimmune reactions that destroy red blood cells. Though it forms beneficial mycorrhizal partnerships with trees, it is highly dangerous to humans and should never be consumed.

Location: Northern Hemisphere

Edibility: Not Edible ☠️