Histoire des Chesnes d'Amerique (Google Books ⧉, Amazon ⧉, Bookshop ⧉)

History of the Expedition under the Command of Captains Lewis and Clark / To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean

This did not deter him; but Mr. Andre Michaux, a professed botanist, author of the Flora Boreali-Americana, and of the Histoire des Chesnes d'Amerique, offering his services, they were accepted.