Cetraria tenuissima var. muricata Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Cetraria species Cetraria muricata Name Homonyms Cetraria tenuissima var. muricata Cetraria tenuissima f. muricata (Ach.) Dalla Torre & Sarnth.