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
                                   Order Bryopsidales J.H.Schaffn. (1922)
                                     Family Udoteaceae J.Agardh
                                       Genus Udoteaᵀ J.V.F. Lamouroux (1812)
                                         01 Udotea abbottiorum D.S. Littler & M.M. Littler
                                         02 Udotea argentea Zanardini
                                         03 Udotea caribaea D.S. Littler & M.M. Littler
                                         04 Udotea conglutinata (J. Ellis & Solander) J.V.Lamour.
                                         05 Udotea cyathiformis Decaisne
                                         06 Udotea dixonii D.S. Littler & M.M. Littler
                                         07 Udotea dotyi D.S. Littler & M.M. Littler
                                         08 Udotea fibrosa D.S. Littler & M.M. Littler
                                         09 Udotea flabellum (J. Ellis & Solander) M.A. Howe
                                         10 Udotea fragilifolia C.K. Tseng & Dong
                                         11 Udotea geppiorum Yamada
                                         12 Udotea glaucescens Harvey ex J.Agardh
                                         13 Udotea goreaui D.S. Littler & M.M. Littler
                                         14 Udotea halimeda Kützing
                                         15 Udotea indica A.Gepp & E.S. Gepp
                                         16 Udotea kuetzingii De Toni
                                         17 Udotea looensis D.S. Littler & M.M. Littler
                                         18 Udotea luna D.S. Littler & M.M. Littler
                                         19 Udotea norrisii D.S. Littler & M.M. Littler
                                         20 Udotea occidentalis A.Gepp & E.S. Gepp
                                         21 Udotea orientalis A.Gepp & E.S. Gepp
                                         22 Udotea palmetta Decaisne
                                         23 Udotea papillosa A.Gepp & E.S. Gepp (1911)
                                         24 Udotea reniformiis C.K. Tseng & Dong
                                         25 Udotea spinulosa M.A. Howe
                                         26 Udotea tenax C.K. Tseng & Dong
                                         27 Udotea tenuifolia C.K. Tseng & Dong
                                         28 Udotea unistratea D.S. Littler & M.M. Littler
                                         29 Udotea velutina C.K. Tseng & Dong
                                         30 Udotea verticillosa A.Gepp & E.S. Gepp
                                         31 Udotea wilsonii A.Gepp et al.
                                         32 Udotea xishaensis C.K. Tseng & Dong
                                         33 Udotea yamadae Tanaka & Itono