Lichens are an important part of the prairie ecosystem at Pipestone National Monument. These plant/fungi organisms slowly break down rocks to mineral components to create a primitive soil over long periods of time.
It takes a century for Lichens to spread an inch or less on rocks.
Did You Know?
Pipestone National Monument was the first National Park Service area in Minnesota designated by Congress and signed into existence by President Franklin Delano Roosevelt on August 25, 1937.