. "Fungi" . . "Scleroderma polyrhizum" . "Sclerodermataceae" . "Boletales" . . . "Scleroderma polyrhizum (J.F. Gmel.) Pers. 1801" . . . . . . . . "Basidiomycota" . "Agaricomycetes" . "(J.F. Gmel.) Pers. 1801" . "Scleroderma" .