Cladonia rangiferina, also known as reindeer cup lichen, reindeer lichen or grey reindeer lichen, is a light-colored fruticose, cup lichen species in the family Cladoniaceae. It grows in both hot and cold climates in well-drained, open environments.
Scientific name: Cladonia rangiferina
Division: Ascomycota
Family: Cladoniaceae
Kingdom: Fungi