organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
         Class Basidiomycetes G.Winter (1880)
           Subclass Agaricomycetidae Locq. ex Parmasto (1986)
             Order Phallales E. Fisch. (1898)
               Family Geastraceae Corda (1842)
                 Genus Radiigera Zeller (1944) see Genus Geastrum Pers. (1794), nom. sanct., nom. cons.