Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Pucciniomycotina R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006) Class Pucciniomycetes R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006) Order Pucciniales Clem. & Shear (1931) Genus Aecidium Pers. ex J.F.Gmel. (1792), nom. sanct., incertae sedis