living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Myxomycota Margulis (1996) see Phylum Myxomycota Margulis, 1996
           Class Myxomycetes Link (1833) see Class Myxomycetes Link, 1833
             Subclass Myxogastromycetidae see Subclass Myxogastria Fries, 1829
               Order Physarales T. Macbr. (1899) see Order Physarida Macbride, 1922
                 Family Didymiaceae Rostaf. (1875) see Family Didymiidae Rostafiński, 1873
                   Genus Didymium Schrader, 1797
                     1 Didymium iridis (Ditmar) Fr., 1829
                     2 Didymium minus (Lister) Morgan, 1894
                     3 Didymium squamulosum (Alb. & Schwein.) Fr., 1818
                     4 Didymium clavus (Alb. & Schwein.) Rabenh., 1884
                     5 Didymium synsporon T.E. Brooks & H.W. Keller, 1973
                     6 Didymium rugulosporum Kowalski, 1969
                     7 Didymium saturnus H.W. Keller, 1970