organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Kingdom Protoctista Hogg, 1860
  Status: extant
     Phylum Xanthophyta Allorge, in Fritsch (1935) see Class Xanthophyceae P. Allorge ex Fritsch (1935)
    Status: extant
       Class Heterosiphonales see Order Vaucheriales Bohlin (1901)
      Status: extant
         Genus Botrydium Wallr. (1815)
        Status: extant