From the NPS PORE website list.
The Mylitta Crescent or Mylitta Crescentspot (Phyciodes mylitta) is a butterfly of the Nymphalidae family. It is found in the western North America.
The Variable Checkerspot or Chalcedon Checkerspot (Euphydryas chalcedona) is a species of butterfly, common in western North America from Alaska to Baja California and from the Rocky Mountains to the Pacific Ocean. A highly variable species, the wing upper surface is black to dark brown. The forewing is narrow and pointed compared to similar species. The wingspan ...more ↓
Northern Checkerspot (Chlosyne palla) is a member of the Nymphalidae family that is found in North America. They range from southern British Columbia to Alberta, south to California, Utah, and Colorado, excluding Nevada.