Arthopyrenia calcarea Müll.Arg., 1894 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Dothideomycetes order Pleosporales family Arthopyreniaceae genus Arthopyrenia species Arthopyrenia calcarea Name Synonyms Thelidium calcareum (Müll.Arg.) Hellb., 1896 Verrucaria calcarea C.Knight, 1883 Homonyms Arthopyrenia calcarea Müll.Arg., 1894