Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Rhytismatales M.E.Barr ex Minter (1986) Family Marthamycetaceae Baral, Lantz, Hustad & Minter (2015) Genus Propolis (Fr.) Corda (1838)