Flint Hills Wildflowers

Here are some pictures from a recent road trip into the Flint Hills. Most of these pictures were taken by our youngest daughter, who has a wonderful eye for photography. 
I'm guessing at the name of some of these, so if I'm wrong, please correct me in the comments below.
 Showy Evening Primrose
 Showy Beard Tongue
 Missouri Evening Primrose
 Showy Beard Tongue
Unknown