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Non-native Plants of Delaware (Mar 2003; PDF | 187 KB)
Delaware Division of Fish and Wildlife. Delaware Natural Heritage Program.
Species of Concern

Plant Industries and Delaware Noxious Weed Program
Delaware Department of Agriculture.
Species of Concern

West Nile Virus
Delaware Health and Social Services. Public Health. Epidemiology Branch.
Species of Concern; Management

Delaware Invasive Species Council
Delaware Invasive Species Council.
Species of Concern; Monitoring

Delaware Invasive Species Tracking System
DOI. USGS; Delaware Natural Heritage Program; Delaware Invasive Species Council.
Species of Concern

Integrated Pest Management
University of Delaware. Cooperative Extension.
Species of Concern; Publications; Management

Delaware River Invasive Plant Partnership (DRIPP)
Pennsylvania Flora Project.
Species of Concern; Special Note: Applicable for the following States: Delaware, New Jersey, New York, Pennsylvania