Moorland Clouded Yellow and Subarctic Hawker are glacial relicts.

The Colias palaeno (also known as Moorland Clouded Yellow, Palaeno Sulphur, or Pale Arctic Clouded Yellow) is a butterfly in the family Pieridae.

The Colias palaeno (also known as Moorland Clouded Yellow, Palaeno Sulphur, or Pale Arctic Clouded Yellow) is a butterfly in the family Pieridae.

The Booth's Sulphur or Pale Arctic Clouded Yellow (Colias tyche) is a butterfly in the Pieridae family.

In the video game Ace Attorney Investigations, there is a character named Colias Palaeno, who is the ambassador of Babahl, a country whose symbol is the butterfly.