[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval. see Phylum Bacillota Gibbons and Murray 2021
       Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
         Order Acholeplasmatales Freundt et al. 1984
           Family Acholeplasmataceae Edward and Freundt 1970 (Approved Lists 1980)
             Genus Phytoplasma Firrao et al. 2004
               Phytoplasma castaneae Jung et al. 2002