Regnum Mycetoideum
   Class Hymenomycetes Fr. (1821)
     Order Sclerotiacei
       1 Genus Erysiphe R. Hedw. ex DC. (1805), nom. sanct.
       2 Genus Rhizoctonia DC. (1815), nom. sanct., nom. cons.
       3 Genus Sclerotium Tode (1790), nom. sanct.
       4 Genus Tuber P. Micheli ex F.H. Wigg. (1780)