Physcia pragensis f. tremulicola Nádv., 1947 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Physciaceae genus Physciella species Physciella chloantha Name Homonyms Physcia pragensis f. tremulicola Nádv., 1947 Physcia pragensis subsp. tremulicola Nadv.