• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Shrubs - Poison Ivy

Poison Ivy - Toxicodendron rydbergii
Poison Ivy - Toxicodendron rydbergii
NPS Photo
  • Bibliography Bibliography

    Plants - Research bibliograhy of plant studies done in the park Read More

Did You Know?

Prairie Dog Barking

Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers." More...