Giant clad lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Cladoniaceae
- genus: Cladonia
- species: Cladonia maxima
Sonkajärvi
Southern Ostrobothnia
Finland
Phippsburg- Tremont
Maine
United States
Pictou