Homotypic Synonyms See Note

Basionym Name:
Pyrenula umbrata Ach., Mag. Gesell. naturf. Freunde, Berlin 6(1): 9 (1814)

Homotypic synonyms:
Leptotrema umbratum (Ach.) Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 29(no. 8): 12 (1887)
Thelotrema umbratum (Ach.) Fée, Essai Crypt. Exot., Suppl. Révis. (Paris): 90 (1837)
Verrucaria umbrata (Ach.) Spreng., Syst. veg., Edn 16 4(1): 244 (1827)