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 Urediniomycetes D. Hawksw., B. Sutton & Ainsw. (1995), nom. inval. see Subphylum Pucciniomycotina R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
           Family Heterogastridiaceae Oberw. & R. Bauer (1990)
             1 Genus Heterogastridium Oberw. & R. Bauer (1990) see Genus Hyalopycnis Höhn. (1918)