plantenrijk Haeckel (1866) - plants
   [Division] Protophyta Sachs 1874 - primitive plants
     Class Schizomycetes Nägeli 1857 (Approved Lists 1980) - bacteria and related forms
       Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
         Family Streptomycetaceae Waksman and Henrici 1943 (Approved Lists 1980)
           1 Genus Streptomyces Waksman and Henrici 1943 (Approved Lists 1980)