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 Teloschistales D.Hawksw. & O.E. Erikss. (1986) Family Teloschistaceae Zahlbr. (1898) Genus Amundsenia Søchting, Garrido-Ben., Arup & Frödén (2014)