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 MiÄ…dl., Lutzoni & Lumbsch (2007) Order Caliciales Bessey (1907) Family Caliciaceae Chevall. (1826) Genus Australiaena Matzer, H. Mayrhofer & Elix (1997)