Cladonia grayi G.Merr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Cladoniaceae genus Cladonia species Cladonia grayi Name Homonyms Cladonia grayi G.Merr. ex Sandst. Cladonia grayi G.Merr.