![](http://www.alamy.com/thumbs/6/02D4F185-A36E-4337-AFAD-CCBC3F36B9CF/R9C3JP.jpg)
White tube lichen Hypogymnia physodes growing on a birch tree
Size: 2848px × 4288px
Photo credit: © HHelene / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: background, bark, birch, closeup, gray, grey, hypogymnia, isolated, lichen, macro, nature, physodes, stem, tree, trunk, tube, white