[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
           Family Pseudomonadaceae Winslow et al. 1917 (Approved Lists 1980)
             Genus Pseudomonas Migula 1894 (Approved Lists 1980)
               [Pseudomonas syringae] van Hall 1902 (Approved Lists 1980)
                 1 Pseudomonas syringae subsp. syringaeᵀ (van Hall 1902) Janse 1982 see Pseudomonas syringae van Hall 1902 (Approved Lists 1980)