 "Aureoboletus mirabilis" is found in coniferous forests along the Pacific Coast of North America, and in Asia.Unusual for boletes, "A. mirabilis" sometimes appears to fruit on the wood or woody debris of Hemlock, suggesting a saprobic lifestyle.Despite occasional appearances to the contrary, "Aureoboletus mirabilis" is mycorrhizal, and forms close mutualistic associations with hemlock roots.