Verrucaria crenulata (Nyl.) Nyl., 1858 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Placidiopsis species Placidiopsis custnani Name Homonyms Verrucaria crenulata (Nyl.) Nyl., 1858