Short stem, large orange hat fungus in Heeswijk-Dintherse Bossen, Netherlands

"Paxillus involutus", commonly known as the brown roll-rim, common roll-rim, or poison pax, is a basidiomycete fungus widely distributed across the Northern Hemisphere. It has been inadvertently introduced to Australia, New Zealand, South Africa, and South America, probably transported in soil with European trees.