Physcia lithotea subsp. sciastra Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Physciaceae genus Phaeophyscia species Phaeophyscia sciastra Name Homonyms Physcia lithotea var. sciastra (Ach.) Nyl. Physcia lithotea subsp. sciastra