living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Plantae Haeckel (1866) - plants
      
 Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
        
 Division Magnoliophyta Cronquist, Takht. & Zimmerm. (1966)
 see Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
          
 Class Magnoliopsida Brongn. (1843)
            
 Subclass Rosidae Takht. (1967)
 see Superorder Rosanae Takht. (1967)
              
 Order Sapindales Juss. ex Bercht. & J.Presl (1820)
                
 Family Simaroubaceae DC. (1811), nom. cons. - quassia family
                  
 Genus Ailanthus Desf. (1788)
                    
 Ailanthus altissima (Mill.) Swingle - ailanthus