Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                             Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                               "core chlorophytes"
                                 Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
                                   "Ulvales-Ulotrichales"
                                     Order Ulotrichales Borzi
                                       Family Ulotrichaceaeᵀ Kützing
                                         Genus Ulothrixᵀ F.T. Kützing (1833)
                                           Ulothrix aequalis Kützing
                                           Ulothrix brunnthaleri Schussnig
                                           Ulothrix cylindricum
                                           Ulothrix discifera Kjellman
                                           Ulothrix flacca (Dillwyn) Thuret (1863)
                                           Ulothrix flexuosa Schussnig
                                           Ulothrix implexa (Kützing) Kützing (1849)
                                           Ulothrix longicauda Schussnig
                                           Ulothrix palusalsa Lokhorst (1978)
                                           Ulothrix speciosa (Carmichael) Kütz. (1849)
                                           Ulothrix subconstricta G.S.West
                                           Ulothrix subflaccida Wille (1901)
                                           Ulothrix subtilissima Rabenh.
                                           Ulothrix tenerrima Kützing
                                           Ulothrix tenuissima Kützing (1833)
                                           Ulothrix variabilis Kützing
                                           Ulothrix zonata (F.Weber & D. Mohr) Kützing (1833)