• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Blue Flax

Blue Flax - Linum perenne
Blue Flax, Lewis' Flax - Linum perenne, L. lewisii
NPS Photo by Jim Pisarowicz
 
Blue Flax is often considered a subspecies of the Eurasian L. perenne which is very similar. The plant is named after Meriwether Lewis.

Did You Know?

A picture of Alvin McDonald in his caving hat.

Alvin McDonald was the first systematic explorer of Wind Cave. He explored the cave from 1890 until his death in 1893. More...