Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Saccharomycotina O.E. Erikss. & Winka (1997) - budding yeasts Class Saccharomycetes G.Winter (1880) Order Saccharomycetales Luerss. (1877) Genus Ascobotryozyma J. Kerrigan, M.T. Sm. & J.D. Rogers (2001)