Collema verruculosum (A.Massal.) Arnold Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Peltigerales family Collemataceae genus Collema species Collema verruculosum Name Homonyms Collema verruculosum (A.Massal.) Arnold Collema verruculosum Müll.Arg.