 living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
 living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
 Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
 Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
         Division Pinophyta Cronquist, Takht. & Zimmerm.
 see Division Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
 Division Pinophyta Cronquist, Takht. & Zimmerm.
 see Division Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
           Subdivision Gneticae
 see Class Gnetopsida Eichler ex Kirpot. (1884)
 Subdivision Gneticae
 see Class Gnetopsida Eichler ex Kirpot. (1884)
             Subclass Welwitschiidae Cronquist, Takht. & Zimmerm.
 see Subclass Welwitschiidae Cronquist, Takht. & Zimmerm. ex Reveal (1996)
 Subclass Welwitschiidae Cronquist, Takht. & Zimmerm.
 see Subclass Welwitschiidae Cronquist, Takht. & Zimmerm. ex Reveal (1996)
               Family Welwitschiaceae Caruel (1879), nom. cons.
 Family Welwitschiaceae Caruel (1879), nom. cons.
                 Genus Welwitschia Hook.f. (1862), nom. cons.
 Genus Welwitschia Hook.f. (1862), nom. cons.