Fungi (Jahn & Jahn, 1959)
   Class Gymnocarpi
     Order Hymenothecii
       Agarici
         Genus Agaricvs L. (1753), nom. sanct., nom. cons.
           Section Cortinaria Pers. (1801)
             * Color totus violaceus.
             ** Pileo fusco-spadiceo.
             *** Pileo lutescente, aut cinnamomeo.
             **** Pileo plus minusue oliuaceo.
             ***** Colore in pileo albicante aut pallescente. (Agaricus argillaceus.)
             ****** Colore plus minusue purpurascente, liuido, rubro, sanguineo aut subcinnabarino.
             ******* Pileo flauo, ferrugineo, cinnamomeo aut spadiceo.