Basionym Name:Lecidea lactea Flörke ex Schaer., Lich. helv. spicil. 3: 127 (1828)
Homotypic synonyms:Lecidea ambigua var. lactea (Flörke ex Schaer.) Fr., Summa veg. Scand., Sectio Prior (Stockholm): 116 (1845)Lecidea cyanea f. lactea (Flörke ex Schaer.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 2): 124 (1934)Lecidea lapicida var. lactea (Flörke ex Schaer.) V. Wirth, Die Flecht. Baden-Württembergs. Verbreitungsatlas (Stuttgart): 511 (1987)Lecidea pantherina var. lactea (Flörke ex Schaer.) Vain., Meddn Soc. Fauna Flora fenn. 10: 57 (1883)Lecidea polycarpa subsp. lactea (Flörke ex Schaer.) Vain., Meddn Soc. Fauna Flora fenn. 2: 67 (1878)Lecidella lactea (Flörke ex Schaer.) Arnold, Verh. Kaiserl.-Königl. zool.-bot. Ges. Wien 18: 954 (1868)