• 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?

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...