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Links to Additional Information
City of New York Parks and Recreation
New York State Department of Agriculture and Markets
Massachusetts Department of Agricultural Resources
New Jersey Department of Agriculture
New Jersey Department of Environmental Protection
Illinois Department of Agriculture
USDA Agricultural Research Service (Research Staff Summary)
USDA Agricultural Research Service (Research Programs and Projects at this Location)
USDA APHIS Plant Pest Program Information
Morton Arboretum - Chicago, Illinois
National Agricultural Pest Information System (NAPIS)