[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 "Enterobacteriales" Garrity and Holt 2001 nom. nud.
           Family Enterobacteriaceae Rahn 1937 (Approved Lists 1980)
             Genus Dickeya Samson et al. 2005
               1 Dickeya chrysanthemi (Burkholder et al. 1953) Samson et al. 2005
               2 Dickeya dadantii Samson et al. 2005
               3 Dickeya dianthicola Samson et al. 2005
               4 Dickeya dieffenbachiae Samson et al. 2005 see Dickeya dadantii subsp. dieffenbachiae (Samson et al. 2005) Brady et al. 2012
               5 Dickeya paradisiaca (Fernandez-Borrero and Lopez-Duque 1970) Samson et al. 2005
               6 Dickeya zeae Samson et al. 2005