During my recent photo trip to South Dakota, I found several species of wildflowers in bloom. The predominant one I found was Missouri Milkvetch (Astragalus missouriensis), a native wildflower that was seen in many areas of the eastern part of the park. This was a new wildflower species for me and it certainly gave the Badlands topography a nice boost (as if the Badlands needs that!).
Here are a couple of my favorite images featuring the Missouri Milkvetch: