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.
                   0 [Filamentoſæ] see Genus Byssus L. (1753), nom. rej. prop.
                   01 [Byssus flos aquae L. (1753)] see Oscillatoria flos aquae (L.) C.Agardh
                   02 [Byssus villosa]
                   03 [Byssus aurea L. (1753)] see Trentepohlia aurea (L.) Mart.
                   04 [Byssus fulva]
                   05 [Byssus quernea]
                   06 [Byssus tremelloides]
                   07 [Byssus subterranea]
                   08 [Byssus plumosa Humb.]
                   10 [Byssus minima Scop.]
                   11 [Byssus cellaris]
                   13 [Byssus digitata Humb.]
                   14 [Byssus velutina L. (1753)] see Protonema velutinum (L.) C.Agardh (1824)
                   15 [Byssus penicillum Scop.]
                   16 [Byssus radiciformis]
                   17 [Byssus membranacea]
                   18 [Byssus speciosa Humb.]
                   19 [Byssus globosa]