[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 Legionellales Garrity et al. 2005
           Family Legionellaceae Brenner et al. 1979 (Approved Lists 1980)
             Genus Legionella Brenner et al. 1979 (Approved Lists 1980)
               01 [Legionella pneumophila] Brenner et al. 1979 (Approved Lists 1980)
               02 Legionella drancourtii La Scola et al. 2004
               03 Legionella adelaidensis Benson et al. 1991
               04 Legionella anisa Gorman et al. 1985
               05 Legionella beliardensis Lo Presti et al. 2001
               06 Legionella birminghamensis Wilkinson et al. 1988
               07 Legionella bozemanae corrig. Brenner et al. 1980
               08 Legionella brunensis Wilkinson et al. 1989
               09 Legionella busanensis Park et al. 2003
               10 Legionella cherrii Brenner et al. 1985
               11 Legionella cincinnatiensis Thacker et al. 1989
               12 Legionella dumoffii Brenner et al. 1980
               13 Legionella drozanskii Adeleke et al. 2001
               14 Legionella erythra Brenner et al. 1985
               15 Legionella fairfieldensis Thacker et al. 1991
               16 Legionella fallonii Adeleke et al. 2001
               17 Legionella feeleii Herwaldt et al. 1984
               18 Legionella geestiana Dennis et al. 1993
               19 Legionella gratiana Bornstein et al. 1991
               20 Legionella gormanii Morris et al. 1980
               21 Legionella gresilensis Lo Presti et al. 2001
               22 Legionella hackeliae Brenner et al. 1985
               23 Legionella israelensis Bercovier et al. 1986
               24 Legionella jamestowniensis Brenner et al. 1985
               25 Legionella jordanis Cherry et al. 1982
               26 Legionella lansingensis Thacker et al. 1994
               27 Legionella londiniensis Dennis et al. 1993
               28 Legionella longbeachae McKinney et al. 1982
               29 Legionella lytica (Drozanski 1991) Hookey et al. 1996
               30 Legionella maceachernii Brenner et al. 1985
               31 Legionella micdadei Hébert et al. 1980
               32 Legionella moravica Wilkinson et al. 1989
               33 Legionella nautarum Dennis et al. 1993
               34 Legionella oakridgensis Orrison et al. 1983
               35 Legionella parisiensis Brenner et al. 1985
               36 Legionella quateirensis Dennis et al. 1993
               37 Legionella quinlivanii Benson et al. 1990
               38 Legionella rowbothamii Adeleke et al. 2001
               39 Legionella rubrilucens Brenner et al. 1985
               40 Legionella sainthelensi Campbell et al. 1984
               41 Legionella santicrucis Brenner et al. 1985
               42 Legionella shakespearei Verma et al. 1992
               43 Legionella spiritensis Brenner et al. 1985
               44 Legionella steigerwaltii Brenner et al. 1985
               45 Legionella taurinensis Lo Presti et al. 1999
               46 Legionella tucsonensis Thacker et al. 1990
               47 Legionella wadsworthii Edelstein et al. 1983
               48 Legionella waltersii Benson et al. 1996
               49 Legionella worsleiensis Dennis et al. 1993