Thelidium ardesiacum Bagl. & Carestia, 1864 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Polyblastia species Polyblastia ardesiaca Name Homonyms Thelidium ardesiacum Bagl. & Carestia, 1864