Lichen. A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. The combined lichen has properties different from those of its component organisms. Lichens come in many colors, sizes, and forms. Wikipedia (Accessed Oct 22, 2019.)
#Cee’s Fun Foto Challenge #CFFC
I so adore lichen. Great photos. 😀