![](http://www.alamy.com/thumbs/6/74A3DBE6-BBD0-4CA9-AA8A-1DBAFC6D3830/CEC98W.jpg)
Oak trunk with lichen on in deciduous woodland habitat in the Ponocos area of Pennsylvania, USA
Size: 3497px × 5256px
Photo credit: © Wayne HUTCHINSON / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: america, continent, forest, habitat, lichen, moss, nature, north, oak, pennsylvania, states, tree, trunk, united, usa, woodland