Lichenology 101: The tree pictured here shows one of lichen’s important ecological roles – as food for other creatures. The pinkish patch in the middle is dying lichen, being eaten by parasitic fungi. ⁠ ⁠ Photography by #RobbieLawrence, from p. 205, Issue no 25.⁠ #TheGentlewoman #TGW25 #Lichen #Lichenology101