Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Lecanoromycetes O.E. Erikss. & Winka (1997) Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch (2007) Order Peltigerales Walt. Watson (1929) Family Pannariaceae Tuck. (1872) Genus Fuscoderma (D.J. Galloway & P.M. Jørg.) P.M. Jørg. & D.J. Galloway (1989)