Science Policy

Weed Science Society of America conference speaker at WSSA event on weed management, research innovation, and sustainable practices in weed science.

Lee Van Wychen, Ph.D.

Executive Director of Science Policy
Weed Science Society of America

5720 Glenmullen Pl,
Alexandria, VA 22303
E-mail: [email protected]
Phone: 202-746-4686

Updates & Recent Items

The six national and regional weed science societies supported two letters that would improve invasive species management.  The first letter (CEQ letter) requests that the Council on Environmental Quality (CEQ) approve the Department of the Interior’s request for a number of categorical exclusions under the National Environmental Policy Act (NEPA) for invasive species control.

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EPA’s glyphosate biological evaluations (BEs) lack a workable and consistent approach to endangered species assessments. An assessment process which essentially equates any exposure to a pesticide as a possible concern to any species does little to advance appropriate options which could be tailored to improve species protection.

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EPA’s triazine biological evaluations (BEs) lack a workable and consistent approach to endangered species assessments. An assessment process which essentially equates any exposure to a pesticide as a possible concern to any species does little to advance appropriate options which could be tailored to improve species protection.

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Given the value of paraquat as a unique weed management tool and the updated human health mitigation measures, WSSA is opposed to the following two application restrictions proposed by EPA: 1) prohibition of all aerial applications of paraquat except for cotton desiccation;

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The National and Regional Weed Science Societies applaud the Department of the Interior’s efforts to develop a concise, yet comprehensive Invasive Species Strategic Plan.

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The National and Regional Weed Science Societies, joined by more than 300 agriculture and conservation organizations, sent a letter to all members of the U.S.

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The Weed Science Society of America (WSSA), along with the Aquatic Plant Management Society, the North Central Weed Science Society, Northeastern Weed Science Society,

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The WSSA appreciates the opportunity to provide comment on the value and uniqueness of paraquat for weed management. We strongly support further education and awareness activities both on the label and through training.

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To date, EPA has used an interim process to evaluate 24 new active ingredient registrations. None of these reviews have ultimately impacted an existing EPA ecological risk assessment.

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The National and Regional Weed Science Societies compliment EPA on the many positive aspects of their proposal to mitigate potential risks with glyphosate use while noting its importance in the management of invasive and noxious weeds in agricultural and non-agricultural settings.

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Read the WSSA comments on APHIS’s June 6, 2019 Proposed Rule regarding the movement of certain genetically engineered (GE) organisms. 

View PDF

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By taking steps to reduce weed seeds in soybeans, participants along the supply chain will make U.S. soy even more competitive in the global marketplace.

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The Weed Science Society of America (WSSA) sponsored a research workshop on off-target movement of dicamba on April 16 -17, 2018 in Arlington,

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The National and Regional Weed Science Societies joined over one hundred fifty organizations in a letter to the Senate urging support of S.

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Read the guidance document (Pesticide Registration Notice (PRN) 2017-2) produced by the EPA for herbicide products applied in almost all crop and non-crop areas,

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Read the report produced by the EPA-OIG on its oversight of herbicide resistance management. It’s recommendations have been resolved.

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The National and Regional Weed Science Societies submitted comments on APHIS’s proposed rule regarding the importation, interstate movement, and environmental release of certain genetically engineered (GE) organisms.

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The National and Regional Weed Science Societies join over one hundred organizations in a letter to Congress urging support of H.R. 953,

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Oct. 5, 2016. A number of concerns have been raised by various stakeholders relative to EPA’s draft ecological risk assessment for the triazines.

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Dear Chairman Boozman, Ranking Member Klobuchar, and Members of the Committee:

We, the undersigned, appreciate the work that you have done on the Senate Agriculture Committee to promote and strengthen publicly funded agricultural research across our great nation,

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Dear Chair Thompson, Ranking Member Craig, Chair Boozman, and Ranking Member
Klobuchar,

The undersigned organizations, representing farmers, ranchers, agricultural scientists,

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Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member
Shaheen:
The undersigned research institutions, scientific societies, and agricultural stakeholders
respectfully request $400 million for animal health and $390 million for plant health
programs at U.S.

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Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

The undersigned organizations representing agriculture, academia, industry, and the food and nutrition community write to thank you for your continued bipartisan support of the U.S.

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    Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

    The undersigned research institutions, scientific societies,

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    Answers to each of the 5 questions below will be submitted at: https://arsbiocontrol.ars.usda.gov/

    1. How can we improve this Roadmap that integrates biocontrol with other bio-based strategies and emerging tools?

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    Dear Secretary Rollins,
    The Weed Science Society of America (WSSA) along with our affiliate societies, the Aquatic Plant
    Management Society (APMS),

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    Dear Mr. Adam Telle,
    Congratulations on your recent Senate confirmation as the new Assistant Secretary of the Army, Civil
    Works.

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    Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

    As Congress develops a Fiscal Year (FY) 2026 spending package,

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    May 5 – 9, 2025

    During the week of May 5, the National and Regional Weed Science Society Presidents traveled to Washington DC for Congressional and stakeholder visits.

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    Dear Secretary Burgum: Our organizations write in full support of the USGS Ecosystems Mission Area. We urge you to fully fund the Ecosystems Mission Area (EMA) at the same FY25 funding level in the FY26 federal budget for the agency to continue its critical work of maintaining our nation’s natural resources,

    … more

    Dear Chairman Cole, Ranking Member DeLauro and Subcommittee Chairman Harris and Ranking Member
    Bishop:

    We, the Friends of IR-4 and the Commodity Liaison Committee (CLC) of the IR-4 are writing to you in strong support of the House Agriculture Appropriations bill that passed out of Committee on July 10,

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    Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

    As your Committees consider Appropriations for the Agriculture,

    … more

    Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

    The Agriculture and Food Research Initiative (AFRI) Coalition is composed of research institutions,

    … more

    Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

    The undersigned members of the Friends of the Agricultural Research Service (FARS) Coalition write to thank you for your continued support of the USDA Agricultural Research Service (ARS) in FY 2024.

    … more

    During the week of April 17, the presidents from the four regional weed science societies and WSSA traveled to Washington DC to advocate on behalf of weed science policy initiatives and help WSSA achieve its mission of promoting research,

    … more

    Dear Chairman Boozman, Ranking Member Klobuchar, and Members of the Committee:

    We, the undersigned, appreciate the work that you have done on the Senate Agriculture Committee to promote and strengthen publicly funded agricultural research across our great nation,

    … more

    Dear Chair Thompson, Ranking Member Craig, Chair Boozman, and Ranking Member
    Klobuchar,

    The undersigned organizations, representing farmers, ranchers, agricultural scientists,

    … more

    Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member
    Shaheen:
    The undersigned research institutions, scientific societies, and agricultural stakeholders
    respectfully request $400 million for animal health and $390 million for plant health
    programs at U.S.

    … more

    Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

    The undersigned organizations representing agriculture, academia, industry, and the food and nutrition community write to thank you for your continued bipartisan support of the U.S.

    … more

      Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

      The undersigned research institutions, scientific societies,

      … more

      Answers to each of the 5 questions below will be submitted at: https://arsbiocontrol.ars.usda.gov/

      1. How can we improve this Roadmap that integrates biocontrol with other bio-based strategies and emerging tools?

      … more

      Dear Secretary Rollins,
      The Weed Science Society of America (WSSA) along with our affiliate societies, the Aquatic Plant
      Management Society (APMS),

      … more

      Dear Mr. Adam Telle,
      Congratulations on your recent Senate confirmation as the new Assistant Secretary of the Army, Civil
      Works.

      … more

      Dear Chairman Harris, Chairman Hoeven, Ranking Member Bishop, and Ranking Member Shaheen:

      As Congress develops a Fiscal Year (FY) 2026 spending package,

      … more

      May 5 – 9, 2025

      During the week of May 5, the National and Regional Weed Science Society Presidents traveled to Washington DC for Congressional and stakeholder visits.

      … more

      Dear Secretary Burgum: Our organizations write in full support of the USGS Ecosystems Mission Area. We urge you to fully fund the Ecosystems Mission Area (EMA) at the same FY25 funding level in the FY26 federal budget for the agency to continue its critical work of maintaining our nation’s natural resources,

      … more

      Dear Chairman Cole, Ranking Member DeLauro and Subcommittee Chairman Harris and Ranking Member
      Bishop:

      We, the Friends of IR-4 and the Commodity Liaison Committee (CLC) of the IR-4 are writing to you in strong support of the House Agriculture Appropriations bill that passed out of Committee on July 10,

      … more

      Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

      As your Committees consider Appropriations for the Agriculture,

      … more

      Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

      The Agriculture and Food Research Initiative (AFRI) Coalition is composed of research institutions,

      … more

      Dear Chairman Harris, Chairman Heinrich, Ranking Member Bishop, and Ranking Member Hoeven:

      The undersigned members of the Friends of the Agricultural Research Service (FARS) Coalition write to thank you for your continued support of the USDA Agricultural Research Service (ARS) in FY 2024.

      … more

      During the week of April 17, the presidents from the four regional weed science societies and WSSA traveled to Washington DC to advocate on behalf of weed science policy initiatives and help WSSA achieve its mission of promoting research,

      … more

      Following is an archive of historical research priorities identified by the Weed Science Society of America. This collection includes documents such as comments to USDA-AFRI, reports of NIFA stakeholder workshops, USDA-ARS 5-year plans, manuscripts, among others.

      • EVIDENCE-BASED POLICY MAKING: USDA’s Decision to Relocate Research Agencies to Kansas City Was Not Fully Consistent with an Evidence-Based Approach
        -GAO-22-104540, April 2022
      • Agency Relocations: Following Leading Practices Will Better Position USDA to Mitigate the Ongoing Impacts on Its Workforce
        GAO-23-104709, April 2022
      • Army Corps of Engineers: Better Data and Planning Needed to Combat Aquatic Invasive Species
        GAO-24-105960, November 2023
      • Aquatic Invasive Species: Additional Steps Could Help Measure Federal Progress in Achieving Strategic Goals
        GAO-16-49, November 2015
      • Two USDA Agencies Can Enhance Safeguards against Project Duplication and Strengthen Collaborative Planning
        GAO-13-255, Apr 12, 2013
      • Scientific Integrity: EPA’s Efforts to Enhance the Credibility and Transparency of Its Scientific Processes
        – GAO-09-444T, June, 2009
        – Highlights
      • Wildland Fire Management: Actions by Federal Agencies and Congress Could Mitigate Rising Fire Costs and Their Effects on Other Agency Programs
        – GAO-09-444T, April, 2009
      • Endangered Species Act: Many GAO Recommendations Have Been Implemented, but Some Issues Remain Unresolved
        – GAO-09-225R, December, 2008
      • Federal Land Management: Use of Stewardship Contracting Is Increasing, but Agencies Could Benefit from Better Data and Contracting Strategies
        – GAO-09-23, November, 2008
        – Highlights
      • Genetically Engineered Crops: Agencies Are Proposing Changes to Improve Oversight, but Could Take Additional Steps to Enhance Coordination and Monitoring
        – GAO-09-60, November, 2008
        – Highlights
      • Natural Resource Management: Opportunities Exist to Enhance Federal Participation in Collaborative Efforts to Reduce Conflicts and Improve Natural Resource Conditions
        – GAO-08-262, February, 2008
        – Highlights
      • Invasive Species: Cooperation and Coordination Are Important for Effective Management of Invasive Weeds
        – GAO-05-185, February, 2005
        – Highlights
      • Agricultural Quarantine Inspection Program: Management Problems May Increase Vulnerability of U.S. Agriculture to Foreign Pests and Diseases
        – GAO-08-96T, October, 2007
        – Highlights
      • Agricultural Conservation: Farm Program Payments Are an Important Factor in Landowners’ Decisions to Convert Grassland to Cropland
        – GAO-07-1054, September, 2007
        – Highlights
      • Prairie Pothole Region: At the Current Pace of Acquisitions, the U.S. Fish and Wildlife Service Is Unlikely to Achieve Its Habitat Protection Goals for Migratory Birds
        – GAO-07-1093, September, 2007
        – Highlights
      • Forest Service: Vegetation Management Projects Approved during Calendar Years 2003 through 2005 Using Categorical Exclusions
        – GAO-07-1016T, June, 2007
        – Highlights
      • Agricultural Conservation: USDA Should Improve Its Management of Key Conservation Programs to Ensure Payments Promote Environmental Goals
        – GAO-07-370T, January 17, 2007
        – Highlights
      • USDA Conservation Programs: Stakeholder Views on Participation and Coordination to Benefit Threatened and Endangered Species and Their Habitats
        – GAO-07-35, November, 2006
        – Highlights