Verrucaria amylacea f. compacta Arnold, 1885 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Verrucaria species Verrucaria caerulea Name Homonyms Verrucaria amylacea f. compacta Arnold, 1885