in Marbach, Bibliotheca Lichenol. 74: 169 (2000).

Basionym: Lecidea parasema var. americana Fée, Essai Crypt. Exot., Suppl. Révis. (Paris): 101 (1837).

Type locality: Brazil, Minas Gerais, Serra d'Estrella, Warming 90 (M - neotype). Designated by Marbach (2000: 170).