vegetabilia cryptogamica L. (1753)
   Algae L. (1753)
     1 Genus Peltigera Willd. (1787), nom. cons.
     2 Genus Lichen L. (1753), nom. rej. see Genus Parmelia Ach. (1803), nom. cons.
     3 Genus Verrucaria Weber ex F.H. Wigg. (1780), nom. illeg.
     4 Genus Opegrapha Humb. (1793), nom. rej.
     5 Genus Lepra F.H. Wigg. (1780), nom. illeg.
     6 Genus Byssus L. (1753), nom. rej. prop. see Genus Trentepohlia Mart. (1817), nom. cons.