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Multistate Resources

Provides links to state-specific resources with an interest in the prevention, control, or eradication of invasive species.

Items of Interest:

Mitten Crab Watch
Smithsonian Environmental Research Center.
Are you a crabber, waterman, or concerned citizen? We need your help to detect and assess the status of Chinese Mitten Crabs along the Atlantic and the Gulf Coasts. Recently a new website, Mitten Crab Watch, has been launched to provide information on the invasion of the mitten crab and to allow users to more easily report catches.

Walnut Twig Beetle and Thousand Cankers Disease
Maryland Department of Agriculture.
Thousand cankers disease (TCD) is a disease complex native to the western United States and primarily affects black walnut, Juglans nigra. This disease is the result of the combined activity of a fungus, Geosmithia morbida, and the walnut twig beetle WTB), Pityophthorus juglandis. On January 12, 2015, the the Maryland Secretary of Agriculture issued a quarantine order (PDF | 91 KB) to minimize the risk of moving infested material out of the limited action area in Cecil County, and to provide confidence in Maryland walnut products moving into neighboring states from non quarantined areas.

Maryland Invasive Plants Prevention and Control
Maryland Department of Agriculture.
Maryland's Invasive Plant Advisory Committee (IPAC) was established by legislative mandate in October 2011. The IPAC's primary responsibility is to advise the Secretary of Agriculture on regulating the sale of invasive plants, and preventing them from entering Maryland or from spreading further in the state. Initial regulations were promulgated in January of 2013. The remaining regulations, including proposed Tier 1 and Tier 2 plant lists are expected to be ready in April of 2015. Draft regulations will be posted on this site for preliminary review and comment prior to submission of the final proposed regulations.

Report Invasive Plant Pest in Maryland
Maryland Department of Agriculture.
PLEASE CALL: 410.841.5920

State Specific Threats:

Nonindigenous Aquatic Species (NAS) Database - Species Lists By State
DOI. USGS. Wetland and Aquatic Research Center.
Provides fact sheets, maps and collection information for aquatic vertebrates and invertebrates occurring outside of their native range.

State Noxious Weed List - Maryland
USDA. NRCS. National Plant Data Center. PLANTS Database.
Designated legally noxious plants.

Status of Invasive Plants - Maryland / Details by State and Details by County
University of Georgia. Center for Invasive Species and Ecosystem Health. Early Detection & Distribution Mapping System.

Pest Tracker - Maryland
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

States Restricting Firewood Movement and/or Advocating Leaving Firewood at Home: Who is Affected?
Nature Conservancy. Don't Move Firewood.

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Maryland Department of Agriculture.
Species of Concern; Contacts; Laws and Regulations; Management

Maryland's Former Ballast Water Management Regulations
Maryland Department of the Environment.
Species of Concern; Laws and Regulations; Management

Invasive and Exotic Species in Maryland
Maryland Department of Natural Resources.
Species of Concern; Laws and Regulations; Management

Maryland's Invasive and Exotic Species
Maryland Department of Natural Resources. Wildlife and Heritage Division.
Species of Concern; Contacts; Management

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University of Maryland. Home and Garden Information Center.
Species of Concern

Aquatic Invasive Species
University of Maryland. Maryland Sea Grant.
Species of Concern; Special Note: News releases; video list; fact sheets; links

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Invasive Species
Chesapeake Bay Program.
Species of Concern; Publications

Maryland Invasive Species Council
Maryland Invasive Species Council.
Species of Concern; Management

Invasive Plant Program
Anacostia Watershed Society.
Contacts; Community

Mid-Atlantic Exotic Plant Pest Council
Mid-Atlantic Exotic Plant Pest Council.
Contacts; Special Note: Meeting minutes

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Last Modified: May 19, 2016
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