Place

Grasses

Close up of golden brown Crested Wheat Grass
Crested Wheat Grass

Rainfall influences the amount and type of plants that can grow in an area. This region receives only about 15 inches of precipitation each year, making it well suited for grasses. Prairie grass is an important food source for grazers like bison, deer, and other wildlife.

Theodore Roosevelt National Park

Last updated: September 2, 2025