Lichen torulosus Thunb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Pertusariales family Icmadophilaceae genus Siphula species Siphula decumbens Name Homonyms Lichen torulosus Thunb. ex Ach. Lichen torulosus Thunb.