Verrucaria papillosa var. thalassina Zahlbr. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Verrucaria species Verrucaria thalassina Name Homonyms Verrucaria papillosa var. thalassina Zahlbr.