organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Fungi R.T.Moore (1980) - fungi
     Form phylum Mycophycophyta - lichens see Kingdom Fungi R.T.Moore (1980)
       Class "ascomycote-containing lichens"
         Genus Collema Weber ex F.H. Wigg. (1780), nom. sanct., nom. cons.