[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Phaeophycota see Class Phaeophyceae Hansgirg (1886)
       Class Phaeophyceae Hansgirg (1886) - brown algae
         Order Laminariales Migula (1908)
           Family Alariaceae Setchell & Gardner (1925)
             Genus Undaria W.F.R. Suringar (1873)
               Undaria pinnatifida (Harvey, 1860) Suringar (1873)