map lichen (Rhizocarpon geographicum), on a boulder, Germany
Size: 5906px × 4446px
Location: Deutschland
Photo credit: © blickwinkel/W. Willner / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: boulder, boulders, covered, crustose, europe, european, format, german, germany, green, horizontal, lichen, lichen-covered, lichened, lichenes, lichens, map, rock, rocks, symbiosis