Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Vegetabile Regnum" nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           ["Clandestinae"]
             [Class "Cryptogamia" L. (1735), nom. inval.] see Class Cryptogamia L. (1753)
               [Order "Algae" L. (1735), nom. inval.] see Order Algae L. (1753)
                 01 [Genus "Marchantia" nom. inval.] see Genus Marchantia L. (1753)
                 02 [Genus "Jungermannia" Dill.] see Genus Jungermannia L. (1753)
                 03 [Genus "Anthoceros" Michel.] see Genus Anthoceros L. (1753)
                 04 [Genus "Riccia" Michel.] see Genus Riccia L. (1753)
                 05 [Genus "Blasia" nom. inval.] see Genus Blasia L. (1753)
                 06 [Genus "Lichen" P. Micheli (1729), nom. inval.] see Genus Lichen L. (1753), nom. rej.
                 07 [Genus "Lemna" nom. inval.]
                 07.0 [Genus "Lenticula" P.A. Micheli, nom. inval.] see Genus Lemna nom. inval.
                 07.0 [Genus "Lenticularia" P.A. Micheli, nom. inval.] see Genus Lemna nom. inval.
                 08 [Genus "Marsilea" nom. inval.] see Genus Marsilea L. (1753)
                 09 [Genus "Chara" J. Ray, nom. inval.] see Genus Chara L. (1753)
                 09.0 [Genus "Hippuris" J.J. Dillenius, nom. inval.] see Genus Chara J. Ray, nom. inval.
                 10 [Genus "Fucus" Tourn. (1694), nom. inval.] see Genus Fucus L. (1753)
                 11 [Genus "Ulva" J. Ray, nom. inval.] see Genus Ulva L. (1753)
                 12 [Genus "Tremella" L. (1748), nom. inval.]
                 13 [Genus "Conferva" J. Ray, nom. inval.] see Genus Conferva L. (1753)
                 14 [Genus "Hydrophace" Buxbaum, nom. inval.]