Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Helotiales Nannf. (1932) Family Sclerotiniaceae Whetzel ex Whetzel (1945) Genus Septotinia Whetzel ex J.W. Groves & M.E. Elliott (1961)