![](http://www.alamy.com/thumbs/6/E5B23CAF-EEE9-4E2B-AEBA-BA7CD459339C/CNT3BH.jpg)
lichen (Lecanora muralis), growing on roof tiles
Size: 5315px × 3543px
Photo credit: © blickwinkel/Hecker / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., 2, angle, building, buildings, close, close-, closeup, closeups, detail, details, duo, format, grey, growing, hecker, high, horizontal, lichen, lichens, plant, plants, roof, roofing, roofs, symbiosis, tile, tiles, top, ups, view