![](http://www.alamy.com/thumbs/6/8087E989-D53B-417B-80E2-4AB5744B9105/CN785H.jpg)
lichen
lichen
Size: 3401px × 5120px
Photo credit: © Scott Camazine / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: alga, cynanobacterium, fungus, lichen, mycobiont, nostoc, partner, photobiont, photosynthetic, phycobiont, plant, symbiosis, symbiotic, trebouxia