Placidium imbecillum (Breuss) Breuss, 1996 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Catapyrenium species Catapyrenium imbecillum Name Homonyms Placidium imbecillum (Breuss) Breuss, 1996