Physcia grisea f. subnitens (Vain.) Räsänen, 1921 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Physciaceae genus Physconia species Physconia detersa Name Homonyms Physcia grisea f. subnitens (Vain.) Räsänen, 1921 Physcia grisea subsp. subnitens (Vain.) Räsänen