Regnum Mycetoideum Class Gasteromycetes Fr. (1821) Order Uterini veri Suborder Pyrenomycetes Phacidiacei Fr. 1 Genus Excipula Fr. (1820), nom. sanct. 2 Genus Actidium Fr. (1815), nom. sanct. 3 Genus Phacidium Fr. (1815), nom. sanct., nom. cons. 3.1 Subgenus Hysterium (Tode) Fr. (1821), nom. sanct. 3.2 Subgenus Solenaria (Spreng.) Fr. (1821) 3.3 Subgenus Rhytisma (Fr.) Fr. (1821) 4 Genus Thelebolus Tode (1790), nom. sanct.