• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Shell-Leaf Penstemon

Shell-Leaf Penstemon - Penstemon grandifloras
Shell-Leaf Penstemon, Large Beardtongue - Penstemon grandifloras
NPS Photo by Jim Pisarowicz
 

The Shell-leaf Penstemon is the largest penstemon in the Black Hills.

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.