Collema complicatum (Schaer.) Leight. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Peltigerales family Collemataceae genus Lathagrium species Lathagrium cristatum Name Homonyms Collema complicatum Fr. Collema complicatum (Schaer.) Leight. Collema complicatum Schaer.