The Netherlands - Heemskerk
A lichen is a composite organism that emerges from algae or cyanobacteria living among the filaments of a fungus in a mutually beneficial symbiotic relationship. In woodland, lichen species often stand out in wintertime and early spring, when the sunlight is not blocked by the leafless trees and plants The photographed species is very tolerant of pollution and has a cosmopolitan distribution, making it one of the most common lichens. In my country (The Netherlands), with a huge deposition of nitrogen, thus very common. This specimen was seen in a forested area of the North-Holland Dune Reserve, near Heemskerk. © Tom Kisjes
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