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By Candace Fallon, Brianna Borders, Eric Lee-Mäder, and Scott Hoffman Black.

This guide is an introduction to milkweeds and monarchs in the western U.S., from basic biology to the importance of these species in the landscape and the threats they currently face. Milkweeds and Monarchs in the Western U.S. outlines how land managers can join existing efforts to help western monarchs by identifying and reporting milkweed stands and monarch breeding occurrences on their lands.


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