Fungi (Jahn & Jahn, 1959)
   Class Gymnocarpi
     Order Hymenothecii
       Agarici
         Genus Agaricvs L. (1753), nom. sanct., nom. cons.
           Section Gymnopvs Pers. (1801)
             1["*"] Color badius, cinnamomeus, aut spadiceus, rufus aut fuscus.
             2["**"] Color pilei virescens, flauescens palleus, aut subceruinus.
             3["****"] Color pilei nitentis coccineus, fuluus aut luteus.
             4["*****"] Pileo roseo-rubro. (Agaricus rosellus, strobilinus; vid. Mycenas).
             5["*****"] Color plus minusue violaceus, purpurascens, aut caesius. (Agaricus nudus. Nonnulli vmbilicati. Ag. denticulatus Bolt.)
             6["*******"] Color pilei cinereus, fuliginosus, nigricans. (Ag. adustus.)
             7["*******"] Color, praesertim pilei, albus. (Ag. fertilis, grandis.)