Tundra Plants

(You can click on each picture to see a larger version)

Lichen Growing on RockGrowing on the surface of this rock is a lichen. Lichens are unusual organisms that often grow on exposed rock surfaces. They are composed of a fungus and an algae living and growing together. There are several varieties of lichen, and in the autumn lichen turn various colors.

Lichen is the favorite food of caribou and musk oxen.

Lichen Growing on Rock
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