Placynthium asperellum (Ach.) Trevis., 1869 Dataset NCBI Taxonomy Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Peltigerales family Placynthiaceae genus Placynthium species Placynthium asperellum Name Homonyms Placynthium asperellum Placynthium aff. asperellum Placynthium asperellum (Ach.) Trevis., 1869