[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class "Actinobacteria" Stackebrandt et al. 1997
         Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Frankineae Stackebrandt et al. 1997 see Order Frankiales Sen et al. 2014
               Family Frankiaceae Becking 1970 (Approved Lists 1980)
                 Genus Frankia Brunchorst 1886 (Approved Lists 1980)
                   Frankia alni (Woronin 1866) von Tubeuf 1895 (Approved Lists 1980)