Bald dot lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Psoraceae
- genus: Protoblastenia
- species: Protoblastenia calva
Kleinzell
Lower AustriaAnif
Bad Hofgastein
Elsbethen
Leogang
Werfenweng
SalzburgHeiterwang
Jochberg
TyrolBizau
Bürserberg
Hörbranz
Innerbraz
Schröcken
Vorarlberg
AustriaPiding
BavariaSchönecken
Rheinland-Pfalz
Germany- United Kingdom