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 is one of the few remaining areas of native tallgrass prairie. Over 400,000 square miles of tall grass prairie once covered the Midwest. Less than 1% of the original tall grass prairie remains today. More...