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Meriwether Lewis collected many hundreds of plants on the Lewis and Clark Expedition. All of the plants Lewis collected in the first months of the Expedition were cached near the Missouri River to be retrieved on the return journey. The cache was completely destroyed by Missouri flood waters. Other collections were lost in varying ways, and we now have only 237 plants Lewis collected, 226 of which are in the Philadelphia Herbarium. [1] Lewis hired Frederick Pursh for $70 to do the complex task of describing 124 of his collections, which Pursh did and published in 1814.
The plants listed below were indeed collected by Lewis, but a number of them (at least those marked with *******, were previously collected and described or were not described from the Lewis collections and therefore are not considered to be the first for science. For an accurate list see [2] and [3]
The Columbian sharp-tailed grouse is a subspecies of sharp-tailed grouse native to the Western United States and British Columbia.
There are at least 14 large mammal and 50 small mammal species known to occur in Glacier National Park.
The Wyoming Basin shrub steppe ecoregion, within the deserts and xeric shrublands biome, is a shrub steppe in the northwestern United States.
There are 67 native species of mammals in Rocky Mountain National Park, a 265,461 acres (107,428 ha) park in Colorado. Species are listed by common name, scientific name, habitat, and abundance. Species which are extirpated, or locally extinct, are marked with an EX.
The Colorado Plateau shrublands is an ecoregion of deserts and xeric shrublands in the Western United States.