? rivularis Flk. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Rhizocarpales family Rhizocarpaceae genus Rhizocarpon species Rhizocarpon badioatrum Name Homonyms ? rivularis Turcz. ? rivularis Hass. ? rivularis Flk.