A bill to create dedicated funds to conserve butterflies in North America, plants in the Pacific Islands, freshwater mussels in the United States, and desert fish in the Southwest United States, and for other purposes.

This bill, titled "A bill to create dedicated funds to conserve butterflies in North America, plants in the Pacific Islands, freshwater mussels in the United States, and desert fish in the Southwest United States, and for other purposes," was introduced in the 119th Congress on May 14, 2026, with the designation S. 4543.