Admittedly I have to look into this more. It may just be these two types of Lichen that don't cross over each other. The yellow and black one, that is.
Yes, Nunavut is in Canada. Nunavut is an Inuit word that means "Our Land" in Inuktitut. It is the largest of the 3 territories with over 2 million square km of land.
I live just a stones throw above the arctic circle. :D