Verrucaria thelostoma Ach. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lichinomycetes order Lichinales family Lichinaceae genus Pyrenocarpon species Pyrenocarpon thelostomum Name Homonyms Verrucaria thelostoma Ach. ex J.Harriman Verrucaria thelostoma Ach.