Collema rivulare (Ach.) Ach. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Peltigerales family Collemataceae genus Leptogium species Leptogium rivulare Name Homonyms Collema rivulare (Ach.) Röhl. Collema rivulare (Ach.) Ach.