Kingdom Fungi Class Agaricomycetes Rank Species | Division Basidiomycota | |
 | ||
Similar Butyriboletus querciregius, Butyriboletus primiregius, Butyriboletus persolidus, Butyriboletus abieticola, Butyriboletus pulchriceps | ||
Butyriboletus autumniregius is a pored mushroom in the family Boletaceae. It is found in California, where it fruits under Douglas fir and redwood.
References
Butyriboletus autumniregius Wikipedia(Text) CC BY-SA