Collema undulatum Laurer ex Flot.

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

Number of records. 34. Date information. 1899. Countries. British Isles, Greenland, Slovakia, Syria, Ukraine, country not noted. Substrata. rock, soil. Literature. Cannon, Hawksworth & Sherwood-Pike (1985); Hawksworth, James & Coppins (1980) page(s) 33; Inashvili (1975); Kopachevskaya (1986), 119; Makarevich, Navrotskaya & Iudina (1982); Oksner (1937); Oksner (1956).