Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Pseudomonadotaᵀ Garrity et al. 2021
                 Class Alphaproteobacteria Garrity et al. 2006
                   Order Hyphomicrobiales Douglas 1957 (Approved Lists 1980)
                     Family Methylobacteriaceae Garrity et al. 2006
                       Genus Microvirga Kanso and Patel 2003
                         1 Microvirga subterraneaᵀ Kanso and Patel 2003
                         2 Microvirga aerilata Weon et al. 2010
                         3 Microvirga aerophila Weon et al. 2010
                         4 Microvirga flocculans (Takeda et al. 2004) Weon et al. 2010
                         5 Microvirga guangxiensis Zhang et al. 2009
                         6 Microvirga lotononidis Ardley et al. 2012
                         7 Microvirga lupini Ardley et al. 2012
                         8 Microvirga vignae Radl et al. 2014
                         9 Microvirga zambiensis Ardley et al. 2012