Involucrothele velutinoides (Hellb.) Servít Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Verrucaria species Verrucaria xyloxena Name Homonyms Involucrothele velutinoides (Hellb.) Servít