Photo Library
Select species name for more information and other photos.
Porpidia
- Image author: Stephen & Sylvia Sharnoff ©
- Porpidia flavocaerulescens, example species ('orange boulder lichen') on rock. The black discs are fruiting bodies of the lichen fungus. Dark lines form where two individual lichens meet.
- along the Denali Highway, AK, USA.
- Original image
- Website: Lichens of North America