Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Regnum Vegetabile" L. (1753), nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           [Class Cryptogamia L. (1753)]
             [Cryptophyta Link (1824)]
               [Order Algae L. (1753)]
                 [Genus Byssus L. (1753), nom. rej. prop.] see Genus Trentepohlia Mart. (1817), nom. cons.
                   [Pulverulentæ] see Genus Lepra F.H. Wigg. (1780), nom. illeg.
                     1 [Byssus antiquitatis L. (1753)] see Lepra antiquitatis
                     2 [Byssus ſaxatilis L. (1753)] see Lepra saxatilis
                     3 [Byssus Jolithusᵀ L. (1753)] see Chroolepus jolithus (L.) C.Agardh (1824)
                     4 [Byssus candelaris L. (1753)]
                     5 [Byssus botryoides L. (1753)] see Phytoconis botryoides (Linnaeus) Bory de Saint-Vincent
                     6 [Byssus incana L. (1753)] see Lepra incana (L.) F.H. Wigg. (1780)
                     7 [Byssus lactea L. (1753)] see Lepra lactea (L.) F.H. Wigg. (1780)