Scandinavian preserved natural lichen, commonly called polar moss or reindeer lichen.Lichens are composite organisms arising from symbiosis between a fungus and a species of algae.
Lichens and trees
File:Green Lichen.jpg - Wikipedia
Foliose lichen on tree, A fine specimen of a pale green fol…
Detailed Close Spot Green Lichen Growing Stock Photo 2082681778
Thick Coating of Green Lichen Covering a Tree Branch 27309925 Stock Photo at Vecteezy
Page 65 Green Lichen Images - Free Download on Freepik
Moss and Lichen: Wait, what's the difference? - Canadian Museum of
Country diary: tiny shield lichen tell a big story, Plants
Green lichen growing on a rock in Orkney, Scotland. 11337856 Stock Photo at Vecteezy