Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Ustilaginomycotina Doweld (2001) Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007) Order Microstromatales R. Bauer & Oberw. (1997) Family Quambalariaceae Z.W. de Beer, Begerow & R. Bauer (2006) 1 Genus Quambalaria J.A. Simpson (2000)