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  Fungi
      Ascomycota
        Pezizomycotina
            Lecanoromycetes
                    Lecanorales
                            Psoraceae
                                     Lecidoma
                                     Lepidoma
                                     Protoblastenia
                                     Psora
                                             Psora cerebriformis
                                             Psora crenata
                                             Psora decipiens
                                                   [Lecidea decipiens]
                                             Psora icterica
                                             Psora luridella
                                                   [Lecidea luridella]
                                             Psora nipponica
                                                   [Lecidea novomexicana]
                                             Psora rubiformis
                                                   [Lecidea rubiformis]
                                             Psora russellii
                                             Psora tuckermanii
                                     Psorula
                                             Psorula rufonigra