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Update -- NAPPRA (Not Authorized Pending Pest Risk Analysis) -- Addition of Plants for Planting to the NAPPRA Lists
USDA. Animal and Plant Health Inspection Service.
The Not Authorized Pending Pest Risk Analysis list (APHIS-2011-0072) of plants and flowers has been published by USDA for public comment. The NAPPRA list are those plants which could be prohibited for import into the U.S. until a pest risk analysis has been completed for them. APHIS has prepared data sheets that detail the scientific evidence it evaluated in making the determination that the taxa are quarantine pests or hosts of quarantine pests. The data sheets are available to the public for review and comment.
Note: Comment period reopened; all comments received on or before Nov 25, 2011 will be considered.
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USDA Establishes a New Category in Regulations Governing Nursery Stock Importation; Plants for Planting Not Authorized for Importation Pending Pest Risk Analysis
USDA. Animal and Plant Health Inspection Service.
Prevention is the key to keeping invasive plants out of our country! APHIS is establishing a new category of regulated articles in the regulations governing the importation of plants for planting, commonly known as the Q37 regulations (APHIS-2006-0011). The revision would allow APHIS to maximize protection of U.S. agriculture from foreign pests that could enter this country while minimizing adverse economic and trade impacts. See a recent presentation about the Revision of Quarantine 37 (PDF | 277 KB) for more information.
This action became effective Jun 27, 2011.

Large Constrictor Snakes
DOI. FWS. South Florida Ecological Services Field Office.
DOI is working with many partners, including the State of Florida, to address the significant challenges posed by the invasive Burmese python and other species of large constrictor snakes in south Florida. The U.S. Fish and Wildlife Service is proposing to list nine species of large constrictor snakes as injurious wildlife. Injurious wildlife are mammals, birds, amphibians, reptiles, fish, crustaceans, mollusks and their offspring or gametes that are injurious to the interests of human beings, agriculture, horticulture, forestry, wildlife or wildlife resources of the U.S. The public comment period closed Aug 2010. All comments and related documents are available at Regulations.gov under Docket No. FWS-R9-FHC-2008-0015. The Service will make a final determination on the proposed listing after further review of the scientific data and the information contained in comments submitted by the public. Roughly 50,000 comments were received. Due to the volume of comments received, it will take some time to analyze comments and organize the data.

Injurious Wildlife and Injurious Wildlife: A Summary of the Injurious Provisions of the Lacey Act (Jun 2010; PDF | 688 KB)
DOI. FWS. Division of Environmental Quality.

Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 (Dec 29, 2000; PDF | 259 KB)
Aquatic Nuisance Species Task Force.

Covers congressional bills, executive orders, congressional hearings and testimonies, and other Federal legislative information.

Lists laws and regulations relating to invasive species for each state, as well as links to other sites with state legal information.

Describes international guidelines, agreements, treaties, and legal organizations on the global and regional level.

Contains links to official declarations from organizations regarding invasive species, as well as related reports.