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The Lewis and Clark Expedition
The discoveries of Lewis and Clark included 178 plants, shrubs, trees and herbs not previously recorded for science. Lewis and Clark collected hundreds of different specimens of plants and recorded descriptions and information on their habitat, growth, and their uses by Native American Indians.

Plants Discovered by Lewis and Clark
The explorers made significant additions to the botanical knowledge of the North American continent. President Thomas Jefferson believed that the new plants found on the voyages of discovery would add to the supply of food crops and medicinal qualities of new plants that would prove to be beneficial to the human race.

Connections to the Arboretum

The Yellowstone Arboretum contains many of the trees and plants that were discovered or re-affirmed by the Lewis and Clark Expedition. We've included many of those here and where they can be discovered by visitors. This is a perfect opportunity for your own scavenger hunt. Plant names and locations are listed below. Use the arboretum map found here to make your hunt a little easier.