13th Annual Smithsonian Magazine Photo Contest Natural World
Portrait of Cladonia
Cladonia lichens like these "British Soldiers" are sensitive to air pollutants, and their presence in a forest indicates a healthy ecosystem.
Photo Detail
| Date Taken: | 10.2014 |
| Date Uploaded: | 11.2015 |
| Photo Location: | Durham, North Carolina, United States of America |
| Camera: | NIKON D800 |
| Copyright: | © Matthew Cicanese |