• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Field Pennycress

Field Pennycress, Frenchweed - Thlaspi arvense
Field Pennycress, Frenchweed - Thlaspi arvense
NPS Photo by Jim Pisarowicz
 
Field Pennycress seeds are poisonous to livestock but birds eat the seeds without poisoning.
  • Exotic Plants Exotic Plants

    List of non-native plants identified in the park. Read More

  • Bibliography Bibliography

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

  • Wildflower Wildflower

    Photo Gallery Read More

Did You Know?

fire on the prairie

Fire is an important factor in protecting the prairie.  Historically, fires burned across the prairie every 4 to 7 years.  Fires burn the small trees that would otherwise march across the prairie and turn the grasslands to forest.