Since the expedition, Lewis and Clark have been commemorated and honored over the years on various coins, currency, and commemorative postage stamps, as well as in a number of other capacities. In 2004, the American elm cultivar Ulmus americana 'Lewis & Clark' (selling name ) was released by North Dakota State University Research Foundation in commemoration of the expedition's bicentenary; the tree has a resistance to Dutch elm disease.
Since the expedition, Lewis and Clark have been commemorated and honored over the years on various coins, currency, and commemorative postage stamps, as well as in a number of other capacities In 2004, the American elm cultivar Ulmus americana 'Lewis & Clark' (selling name ) was released by North Dakota State University Research Foundation in commemoration of the expedition's bicentenary; the tree has a resistance to Dutch elm disease.