Opegrapha calcarea Turner ex Sm.

Selection criteria. Country: any country. Associated organism: any (distribution map)

Number of records. 20. Date information. 1916. Countries. Bahamas, British Isles, Cuba, former USSR, former Yugoslavia, France, Greece, Italy, Slovakia, Ukraine, country not noted. Substrata. rock. Literature. Cannon, Hawksworth & Sherwood-Pike (1985); Hawksworth, James & Coppins (1980) page(s) 67; Imshaug (1957) page(s) 43; Kopachevskaya (1986), 84; Oksner (1956); Pluntke (1984) page(s) 105; Riddle (1923) page(s) 76.