Fungi (Jahn & Jahn, 1959) Class Gymnocarpi Order Hymenothecii Agarici Genus Agaricvs L. (1753), nom. sanct., nom. cons. Section Plevropvs (Pers.) Pers. (1801) Pileo dimidiato suberoso. (Agar. quercinus L. vid. Daedal. querc.)