WESTERN MONARCH MILKWEED MAPPER

About the Western Monarch Milkweed Mapper: The Western Monarch Milkweed Mapper is a project through the partnership of The Xerces Society, Idaho Department of Fish and Game, Washington Department of Fish and Wildlife, National Fish and Wildlife Foundation, and US Fish and Wildlife Service. Learn more about this project... This project is part of a collaborative effort to map and better understand monarch butterflies and their host plants across the Western U.S. Data compiled through this project will improve our understanding of the distribution and phenology of monarchs and milkweeds, identify important breeding areas, and help us better understand monarch conservation needs.