U.S. Department of Energy (DOE)

U.S. Environmental Protection Agency (EPA)

U.S. Food and Drug Administration (FDA)

U.S. Grains Council (USGC)

U.S. National Science Foundation (NSF)

U.S. Patent and Trademark Office (USPTO)

UFA Samen

UFOP (Union zur Förderung von Oel- und Proteinpflanzen e. V.)

UFS - Union française des semenciers

UK Plant Sciences Federation

Umea Plant Science Centre

UniLaSalle

United Kingdom, Ministry of Agriculture

United Sorghum Checkoff

United Soybean Board (USB)

Universidad de Almería

Universidad de Buenos Aires

Universidad de Cádiz

Universidad de Córdoba

Universidad de Granada

Universidad de La Rioja

Universidad de Salamanca

Universidad de Talca

Universidad del País Vasco / Euskal Herriko Unibertsitatea

Universidad Jaume I

Universidad Nacional Autónoma de México (UNAM)

Universidad Nacional de Córdoba

Universidad Nacional de Colombia

Universidad Nacional de Río Cuarto

Universidad Nacional del Litoral

Universidad Nacional del Sur

Universidad Politécnica de Cartagena (UPCT)

Universidad Politécnica de Madrid

Universidad Técnica Federico Santa María

Universidade de Passo Fundo (UPF)

Universidade de São Paulo (USP)

Universidade de Tras-os-Montes e Alto-Douro

Universidade Federal de Lavras (UFLA)

Universidade Federal de Pelotas

Universitat de València

Universitat Jaume I

Universitat Politècnica de València

Universität für Bodenkultur Wien

University College Dublin

University Halle-Wittenberg (Martin Luther Universität Halle Wittenberg)

University of Aberdeen

University of Aberystwyth - Prifysgol Aberystwyth

University of Adelaide

University of Agriculture, Faisalabad

University of Alberta

University of Almería

University of Amsterdam

University of Arizona

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University of Barcelona (Universitat Autónoma de Barcelona)

University of Bath

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University of Bern

University of Bielefeld

University of Birmingham

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University of Bonn

University of Bremen

University of Bristol

University of British Columbia

University of Calgary

University of California

University of California Los Angeles (UCLA)

University of California, Berkeley

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University of California, San Diego

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University of California, Santa Cruz

University of Cambridge

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University of Colorado

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University of Copenhagen

University of Cordoba

University of Delaware

University of Dundee

University of Durham

University of East Anglia

University of Eastern Finland

University of Edinburgh

University of Essex

University of Exeter

University of Florida

University of Freiburg

University of Göttingen

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University of Graz

University of Greenwich

University of Guelph

University of Haifa

University of Hamburg

University of Hannover (Leibniz Universität)

University of Hawaii

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University of Helsinki

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University of Hohenheim

University of Hong Kong

University of Idaho

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University of Jena

University of Johannesburg

University of Kentucky

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University of Konstanz

University of Lausanne

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University of Lleida

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University of Malaga

University of Manchester

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University of Otago

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University of Seville

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University of Sussex

University of Sydney

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University of Tasmania

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University of Texas

University of the Basque Country / Euskal Herriko Unibertsitatea

University of the Free State

University of the Philippines Los Baños

University of the West of England

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University of Twente

University of Ulm

University of Utah

University of Vermont

University of Vienna

University of Virginia

University of Warwick

University of Washington

University of Würzburg

University of Western Australia (UWA)

University of Wisconsin

University of Wyoming

University of York

University of Zurich

Unverferth Manufacturing Company

UPL Limited

UPOV (International Union for the Protection of New Varieties of Plants)

URUPOV - Asociación Civil Uruguaya para la Protección de los Obtentores Vegetales

USC, LLC

USDA

USDA - AMS (Agricultural Marketing Service)

USDA - APHIS (Animal and Plant Health Inspection Service)

USDA - ARS (Agricultural Research Service)

USDA - ERS (Economic Research Service)

USDA - FAS (Foreign Agricultural Service)

USDA - NASS (National Agricultural Statistics Service)

USDA - NIFA (National Institute of Food and Agriculture)

USDA - NOP (National Organic Program)

USDA - PVPO (Plant Variety Protection Office)

Utrecht University

Uwafen Seeds