Rhizocarpon oederi
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon oederi
Globasnitz
Carinthia
Austria
Henån- Ljungskile
Västra Götaland
Sweden
Camden