Weed Research and Information Center

About the Center

Mission statement

The Weed Research and Information Center is an interdisciplinary collaboration that fosters research in weed management and facilitates distribution of associated knowledge for the benefit of agriculture and for the preservation of natural resources.

 

Contact us

Mailing address:
University of California, Davis
Dept. of Plant Sciences, MS2
One Shields Avenue
Davis, CA 95616

E-mail: wric@ucdavis.edu

Staff

Julia Stover-Blackburn
Director, UC Research and Information Center (RIC) Coalition

Sam Romano
Kevin Taniguchi



Weed Scientists

    Specialty Campus/County  
Al-Khatib, Kassim Professor and CE Weed Science Specialist herbicide resistance, integrated weed management, rice weed management, herbicide drift, off-target herbicide movement, herbicide mode of action, herbicide physiology, herbicide symptomology, herbicide tolerant crops, weed physiology, herbicide damage UC Davis website
Angeles, Jorge Weed Ecology and Management Advisor   UCCE Tulare, Fresno, Kings  
Beets, Jens Research Ecologist   USDA-ARS Invasive Species and Pollinator Health Research Unit (UC Davis) website
Brim-DeForest, Whitney Rice and Wild Rice Advisor rice, weeds UCCE Sutter-Yuba, Capitol Corridor, Placer, Nevada website
Colwell, Alison Curator Orobanchaceae, flora of Yosemite, California rare plants UC Davis website
Daugovish, Oleg Strawberry and Vegetable Crops Advisor ag and environmental issues for veg crops and strawberries UCCE Ventura  
Eviner, Valerie Professor and Ecologist understanding of plant-soil interactions to increase our understanding and effective management of: ecosystem services, plant invasions, restoration, plant community composition, biogeochemical cycling, global change, grazing systems, and resilience of ecosystem structure and function UC Davis website
Fennimore, Steve CE Weed Specialist (Professor of Cooperative Extension) weed control in cool-season vegetables, weed biology, weed seed germination UC Davis (located in Salinas) website
Galdi, Giuliano Agronomy and Weed Management Advisor weed ecology and cropping systems UCCE Merced, Stanislaus, San Joaquin  
Getts, Tom Weed Ecology and Cropping Systems Advisor weed ecology and cropping systems UCCE Lassen, Modoc, Plumas, Sierra website
Goncalves, Clebson Diversified Agriculture Advisor weed science (chemical and organic approaches), IPM, ornamental crops, and turfgrass UCCE Lake-Mendocino website
Grewell, Brenda Research Ecologist plant biology and ecology; ecology of biological invasions that contribute to the development of ecologically-based and environmentally benign management strategies for invasive aquatic; wetland and riparian plants in the Pacific West that will reduce undesired impacts on non-target organisms and the environment USDA-ARS Invasive Species and Pollinator Health Research Unit (UC Davis)  
Hanson, Brad CE Weed Specialist (Professor of Cooperative Extension) weeds, weed control, herbicide resistance, weed biology, invasive plants, pest control in fruit and nut crops and other agricultural production systems UC Davis website
Hill, Ryan Agronomy and Weed Management Advisor   UCCE Tehama, Shasta, Glenn
Larsen, Royce Area Natural Resource/Watershed Advisor water quality and non-point source pollution on rangelands, rangeland improvements, noxious invasive weeds, wildland fires, grassland restoration and endangered species UCCE San Luis Obispo-Monterey-Santa Barbara
Light, Sarah Area Agronomy Advisor alfalfa/hay, beans, wheat, grains, corn, sorghum, barley, sunflower, safflower, oil seed (canola, soybean), pseudo-cereal (buckwheat, chia, quinoa, amaranth) UCCE Sutter-Yuba website
Marsh, Sarah Rice Farming Systems Advisor rice, herbicide resistance, rice weeds  UCCE Colusa, Yolo, Capitol Corridor, website
McDonald, Chris Inland and Desert Natural Resources Advisor invasive plants, weeds, native plant restoration, vegetation management UCCE San Bernardino, Imperial, Riverside, San Diego website
Mesgaran, Mohsen Professor weedy and invasive plants in agricultural and natural systems UC Davis  
Oneto, Scott Farm Advisor rangeland management, weed science, home horticulture, livestock UCCE Central Sierra (Amador, El Dorado, Tuolumne, Calaveras)  
Rao, Devii Area Livestock and Natural Resources Advisor rangeland ecology and management, rangeland conservation, grazing management, conservation of biological diversity, watershed protection and management UCCE San Benito, Monterey, Santa Cruz  
Riar, Mandeep Restoration Ecology and Weed Science Area Advisor crop and weed physiology  UCCE Kern, Tulare, Kings  
Shrestha, Anil Professor IPM in ag and non-ag systems, weed biology and ecology, crop-weed competition, herbicide-resistance management, environmental aspects of vegetation management, cropping systems, agroecology, conservation tillage, and organic farming CSU Fresno website
Steinmaus, Scott Professor weeds in agriculture and invasive plants in wild lands Cal Poly San Luis Obispo
Stoddard, Scott Vegetable Crops and Soils Farm Advisor soil fertility and conservation, tomatoes, peppers, sweetpotatoes, weed management UCCE Merced, Madera website
Valliere, Justin CE Weed Specialist (Professor of Cooperative Extension) invasive weed and restoration ecology UC Davis website
Windbiel-Rojas, Karey Area IPM Advisor urban IPM UCIPM / UCCE Yolo, Capitol Corridor website
Wheeler-Dykes, Becky Orchard Systems and Weed Ecology Advisor   UCCE Glenn, Tehama, Colusa  
Wilson, Rob Farm Advisor pest managment in vegetable and field crops; potato variety development; production of potatoes, onions, peppermint, and small grains UC ANR Intermountain Research & Extension Center website

 

Retired Weed Scientists

  • Ashton, Floyd :: Professor :: Dept. of Botany, UC Davis :: retired 7/1/1988
  • Anderson, Lars :: Plant Physiologist :: USDA-ARS Exotic & Invasive Weed Research Unit :: retired 12/31/2011
  • Bayer, Dave :: Professor :: Dept. of Plant Biology, UC Davis :: passed away 1/20/2024
  • Bean, Travis :: CE Weed Science Specialist :: UC Riverside :: passed away May 2020
  • Bell, Carl :: Regional Advisor :: UCCE San Diego :: retired 2014
  • Canevari, Mick :: Farm Advisor :: UCCE San Joaquin :: retired 7/1/2009
  • Cudney, Dave :: CE Weed Ecologist :: UC Riverside :: retired 2003, passed away 3/30/2023
  • DiTomaso, Joe :: CE Weed Specialist :: Dept. of Plant Sciences, UC Davis :: retired 7/1/2017
  • Elmore, Clyde :: CE Weed Specialist :: Dept. of Vegetable Crops, UC Davis :: retired 2002
  • Fischer, Albert :: Professor :: Dept. of Plant Sciences, UC Davis :: retired 2/13/2016, passed away 11/22/2022
  • Hembree, Kurt :: Farm Advisor :: UCCE Fresno :: retired 7/1/2020
  • Hill, Jim :: CE Specialist :: Dept. of Plant Sciences, UC Davis :: retired 2015
  • Holt, Jodie :: Professor :: Dept. of Botany & Plant Sciences, UC Riverside :: retired 2015
  • Jasieniuk, Marie :: Professor :: Dept. of Plant Sciences, UC Davis :: retired 1/1/2023
  • Kyser, Guy :: Specialist :: Dept. of Plant Sciences, UC Davis :: retired 7/1/2022
  • Lanini, Tom :: CE Weed Specialist :: Dept. of Plant Sciences, UC Davis :: retired 2013
  • Le Strange, Michelle :: Farm Advisor :: UCCE Tulare-Kings :: retired 2014
  • Madsen, John :: Research Biologist :: USDA-ARS Invasive Species and Pollinator Health Unit :: retired Dec. 2022
  • Marcum Dan :: Farm Advisor :: UCCE Shasta-Lassen :: retired 2013
  • Molinar, Richard :: Farm Advisor :: UCCE Fresno :: retired 2013
  • Munier, Doug :: Farm Advisor :: UCCE Glenn-Butte :: retired 7/1/2013
  • Norris, Robert :: Professor :: Dept. of Vegetable Crops, UC Davis :: retired 2001
  • Orloff, Steve :: County Director and Farm Advisor :: UCCE Siskiyou :: passed away 10/2017
  • Pitcairn, Mike :: Senior Environmental Research Scientist :: CDFA Biocontrol Program :: retired 2020
  • Roncoroni, John :: Farm Advisor :: UCCE Napa :: retired 7/1/2020
  • Schmierer, Jerry :: Farm Advisor :: UCCE Colusa-Glenn-Sutter-Yuba :: retired 4/30/2011
  • Smith, Richard :: Farm Advisor :: UCCE Monterey-Santa Cruz-San Benito :: retired 1/4/2023
  • Spencer, Dave :: Ecologist :: USDA-ARS Exotic & Invasive Weed Research Unit :: retired 1/3/2015
  • Vargas, Ron :: Farm Advisor :: UCCE Madera :: retired 7/1/2006
  • Wilen, Cheryl :: Area IPM Advisor :: UCCE San Diego-Orange-Los Angeles :: retired 4/ 2020
  • Wright, Steve :: Farm Advisor :: UCCE Tulare-Kings :: retired 7/1/2016