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Jim P. Brock   cc-by-nc-sa-3.0

Colias palaeno (Palaeno Sulphur) is a species of butterflies in the family Pieridae. They visit flowers of mountain arnica, bog rosemary, and autumn dwarf gentian.

EOL has data for 19 attributes, including:

Known occurrences, collected specimens and observations of Palaeno Sulphur. View this species on GBIF