Sieve lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Cladoniaceae
- genus: Cladonia
- species: Cladonia multiformis
Smoky Lake
Alberta- Fort Nelson
- Princeton
British Columbia
Canada
Grand Marais
Minnesota- Brandon
Vermont
United States