Homotypic Synonyms See Note

Basionym Name:
Lecidea biformis Flörke, Deutsche Lich. 6: [3] (no. 122) (1821)

Homotypic synonyms:
Arthonia biformis (Flörke) Schaer., Lich. helv. spicil. 4-5: 245 (1833)
Arthonia biformis f. biformis (Flörke) Schaer., Lich. helv. spicil. 4-5: 245 (1833)
Arthonia biformis var. biformis (Flörke) Schaer., Lich. helv. spicil. 4-5: 245 (1833)
Biatora biformis (Flörke) Fr., Summa veg. Scand., Sectio Prior (Stockholm): 112 (1845)
Lecanactis impolita var. biformis (Flörke) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 18 (1845)
Parmelia impolita b biformis (Flörke) Torss., Enum. Lich. Byssac. Scandin. (Upsaliae): 25 (1843)
Peltigera biformis (Flörke) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 554 (1831)