New beginnings: lichen colonisation

Mostly, the presence of lichens is something I take for granted, but every now and again I find myself wonder how lichens reached a certain tree or rock. Take that young shoot of dogrose, perhaps a year or two old, that is covered in an intricate mosaic of Lecanora chlarotera, Lecidella elaeochroma and Arthonia radiata.Continue reading “New beginnings: lichen colonisation”