Claim: Gymnopilus thiersii, a species of mushroom that is nearly identical to Gymnopilus luteofolius but differs in context colors and dextrinoid spores, is classified in the Fungi kingdom, in the order Agaricales of the family Cortinariaceae
Evidence: Gymnopilus thiersii is a species of mushroom in the family Cortinariaceae. It is nearly identical to Gymnopilus luteofolius, but this species differs in having different context colors and dextrinoid spores. Fungi Kingdom: Order: Agaricales Family: Cortinariaceae