• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Trees - Hackberry

Hackberry - Celtis occidentalis
Hackberry - Celtis occidentalis
NPS Photo by Marie Curtin
The Hackberry has leaves very similar to the American Elm. It is at its northern-most range in the Black Hills in the park. By mid-to-late summer the Hackberry produces green to orange fruits which are eaten by birds.

Did You Know?

Field Milkvetch

The Field Milkvetch has a colorful flower which is often overlooked because it tends to grow hidden in the grass. Color can vary to reddish-purple. More...