• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Field Sowthistle

Field Sowthistle, Marsh Sowthistle - Sonchus arvensis
Field Sowthistle, Marsh Sowthistle - Sonchus arvensis
NPS Photo by Jim Pisarowicz
 
Field Sowthistle leaves have sharp prickles on their lobed margins. Field Sowthistle's have very extensive root systems even in young plants.
  • 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?

Blue Flax

Blue Flax is often considered a subspecies of the Eurasian L. perenne which is very similar.  The plant is named after Meriwether Lewis. More...