What Is Reindeer Moss?
What Is Reindeer Moss? Reindeer moss is a species of lichen so called because it is the staple winter food of reindeer (and caribou) in Arct
Tag
Lichen
What Do You Mean by Stone Soup?
What Do You Mean by Stone Soup? Starving people can be pretty creative at finding food—even eating the crust from rocks. Lichen called roc