Thelidium gisleri (Müll.Arg.) Zahlbr., 1921 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Thelidium species Thelidium gisleri Name Synonyms Sagedia gisleri Müll.Arg., 1877 Thelidium cinereosum Eitn. Verrucaria gisleri (Müll.Arg.) Stizenb., 1882 Homonyms Thelidium gisleri (Müll.Arg.) Zahlbr., 1921