Animals and Plants
The Mark Twain National Forest is home to a wide variety of ecosystems across the ancient and beautiful Ozarks that is home to over 650 native wildlife species and 2,800 native plants.
Plants of Missouri
Wildlife of the Mark Twain
Learn About Invasive Species
Non-native invasive species are seriously affecting forest resources in the United States and will alter the landscape and disrupt critical ecosystem functions.
Threatened, Endangered, and Candidate Species
The Mark Twain has potential habitat for 14 federally threatened, endangered, and candidate species in Missouri.