• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Grasses - Big Blue Stem

Big Blue Stem - Andropogon gerardii
Big Blue Stem - Andropogon gerardii
NPS Photo by Jim Pisarowicz
Big Bluestem is one of the dominate grasses of the tall grass prairie. The Lakota name for this grass means "very large red joint grass."

Did You Know?

American bison on the Wind Cave National Park prairie

The American bison is the largest terrestrial mammal in North America. Male bison can weigh a ton and can run 35 miles per hour. Do not approach bison. They weigh more and can outrun you. More...