[1][2][3] It was described by Cyril Franklin dos Passos and Lionel Paul Grey in 1942 and is found in North America,[2] where it has only been recorded from the Charleston Mountains of Clark County, Nevada.

The habitat consists of mountain slopes, foothills and forest openings.

Adults are on wing from mid-June to September in one generation per year.

The larvae feed on the leaves of Viola charlestonensis.

[4] The MONA or Hodges number for Speyeria carolae is 4456.1.