Homotypic Synonyms See Note

Basionym Name:
Placodium constipans Nyl., Lich. Nov. Zeland. (Paris): 58 (1888)

Homotypic synonyms:
Caloplaca constipans (Nyl.) Zahlbr., Cat. Lich. Univers. 7: 273 (1931)
Edrudia constipans (Nyl.) W.P. Jord., Bryologist 83(1): 64 (1980)
Lecanora constipans (Nyl.) Nyl., in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 3: 48 (1891)
Polycauliona constipans (Nyl.) Hue, C. r. Congr. Soc. sav., Paris Dépts, Sec. Sci., 1908: 153 (1909)
Thamnolia constipans (Nyl.) Gyeln., Acta Faun. Fl. Univers., Ser. 2, Bot. 1(nos 5-6): 9 (1933)
Thamnonoma constipans (Nyl.) Gyeln., Acta Faun. Fl. Univers., Ser. 2, Bot. 1(nos 5-6): 9 (1933)