plantenrijk Haeckel (1866) - plants
   [Division] Protophyta Sachs 1874 - primitive plants
     Class Schizomycetes Nägeli 1857 (Approved Lists 1980) - bacteria and related forms
       Order Eubacteriales Buchanan 1917 (Approved Lists 1980) see Order Clostridiales Prévot 1953 (Approved Lists 1980)
         Family Lactobacteriaceae
           1 Genus Diplococcus
           2 Genus Lactobacillus Beijerinck 1901 (Approved Lists 1980)
           3 Genus Leuconostoc van Tieghem 1878 (Approved Lists 1980)
           4 Genus Streptococcus Rosenbach 1884 (Approved Lists 1980)
           5 Genus Methanococcus Kluyver and van Niel 1936 (Approved Lists 1980)
           6 Genus Micrococcus Cohn 1872 (Approved Lists 1980)
           7 Genus Sarcina Goodsir 1842 (Approved Lists 1980)
           8 Genus Staphylococcus Rosenbach 1884 (Approved Lists 1980)