Homotypic Synonyms See Note

Basionym Name:
Calicium alboatrum Flörke, in Sommerfelt, Suppl. Fl. lapp. (Oslo): 178 (1826)

Homotypic synonyms:
Calicium floerkei var. alboatrum (Flörke) Zahlbr., Cat. Lich. Univers. 1: 600 (1922)
Calicium pusillum f. alboatrum (Flörke) Arnold, Flora, Regensburg 68(4): 53 (1885)
Calicium pusillum subsp. alboatrum (Flörke) Nyl., Syn. meth. lich. (Parisiis) 1(2): 157 (1860)
Calicium pusillum var. alboatrum (Flörke) Rehm, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 1.3(lief. 34): 407 (1891)
Chaenothecopsis alboatra (Flörke) Nádv., Sborn. Klub. Prirodovéd. Brno 18: 55 (1935)
Cyphelium alboatrum (Flörke) A. Massal., Memor. Lich.: 158 (1853)
Cyphelium alboatrum var. alboatrum (Flörke) A. Massal., Memor. Lich.: 158 (1853)