[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Kingdom Algae L. (1753) see [unranked] Algae
  Status: extant
     Phylum Phaeophycota see Class Phaeophyceae Hansgirg (1886)
    Status: extant
       Class Phaeophyceae Hansgirg (1886) - brown algae
      Status: extant
         Order Fucales Kylin
        Status: extant
           Family Cystoseiraceae De Toni (1891)
          Status: extant
             Genus Cystoseira C.Agardh (1820), nom. cons.
            Status: extant
               Cystoseira squarrosa De Not.
              Status: extant