Arthonia

Arthonia
	Arthonia quintaria
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Arthoniomycetes
Order:	Arthoniales
Family:	Arthoniaceae
Genus:	Arthonia; Ach. (1806)
Type species
	Arthonia radiata; (Pers.) Ach. (1808)
Species
	about 300
Synonyms
	List Conioloma Flörke (1815) ; Trachylia Fr. (1817) ; Naevia Fr. (1824) ; Celidium Tul. (1852) ; Celidiopsis A.Massal. (1856) ; Conida A.Massal. (1856) ; Spilodium A.Massal. (1856) ; Phacothecium Trevis. (1857) ; Craterolechia A.Massal. (1860) ; Glyphidium A.Massal. (1860) ; Caldesia Trevis. (1869) ; Arthonia subgen. Allarthonia Nyl. (1878) ; Arthonia sect. Lecideopsis Almq. (1880) ; Mycoporum subgen. Dermatina Almq. (1880) ; Dermatina (Almq.) Arnold (1881) ; Asterotrema Müll.Arg. (1884) ; Arthoniopsis Müll.Arg. (1890) ; Coccopeziza Har. & P.Karst. (1890) ; Lecideopsis (Almq.) Rehm (1891) ; Allarthonia (Nyl.) Müll.Arg. (1895) ; Mycarthonia Reinke (1895) ; Arthonia subgen. Allarthothelium Vain. (1896) ; Pseudoarthonia Marchand (1896) ; Conidella Elenkin (1901) ; Allarthonia (Nyl.) Zahlbr. (1903) ; Allarthothelium (Vain.) Zahlbr. (1908) ; Merarthonis Clem. (1909) ; Manilaea Syd. & P.Syd. (1914) ; Charcotia Hue (1915) ; Phlegmophiale Zahlbr. (1926) ; Allarthoniomyces E.A.Thomas (1939) ; Mycasterotrema Räsänen (1943) ; Xerodiscus Petr. (1943) ; Tomaselliella Cif. (1952) ; Allarthotheliomyces Cif. & Tomas. (1953) ; Aulaxinomyces Cif. & Tomas. (1953) ; Arthoniomyces E.A.Thomas ex Cif. & Tomas. (1953) ; Tomaselliellomyces Cif. (1953) ; Ameropeltomyces Bat. & H.Maia (1967) ;

Arthonia is a genus of crustose lichens in the family Arthoniaceae. They are commonly called comma lichens.