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Alder Dieback Resources

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USDA. APHIS. Plant Protection and Quarantine.

A Federal Order is a legal document issued in response to an emergency when the Administrator of APHIS considers it necessary to take regulatory action to protect agriculture or prevent the entry and establishment into the United States of a pest or disease. Federal Orders are effective immediately and contain the specific regulatory requirements.

Nature Conservancy. Don't Move Firewood.
USDAFS. Forest Health Assessment & Applied Sciences Team.
University of Georgia. Center for Invasive Species and Ecosystem Health.
Forestry Commission (United Kindom). Forest Research.