Pyrenotea hippocastani Lightf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Opegraphaceae genus Opegrapha species Opegrapha niveoatra Name Homonyms Pyrenotea hippocastani Lightf. Pyrenotea hippocastani Linds. Pyrenotea hippocastani Leight.