Invasive and Noxious Plant Related Internet Links


  • CalFlora
    The Calflora Database is a nonprofit organization dedicated to providing information about California plant biodiversity for use in Education, Research and Conservation.
  • California Code of Regulations - Westlaw
    The California Code of Regulations, online. To see the official list of noxious weeds, search for the specific regulatory section, Title 3, Section 4500.
  • California Department of Food and Agriculture – Encycloweedia
    Notes on identification, biology, and management of plants defined as noxious weeds by California law.
  • California Department of Food and Agriculture – Quarantine Manual
    Plant import/export policy manual, with weed policy .
  • California Early Detection Network
    The California Early Detection Network is a network of networks protecting California from harmful invasive plants. It is a partnership that works to advance the development of systematic and transparent Early Detection and Rapid Response networks across California and beyond.
  • California Invasive Plant Council
    A non-profit association of professionals and public involved in invasive plant research, control, education and land management.
  • California Native Plant Society
    The California Native Plant Society's goal is to protect California's native plant heritage and preserve it for future generations by promoting native plant appreciation, research, education, and conservation.
  • California Weed Science Society
    The California Weed Science Society provides professional education, encourages research, supports college students, and facilitates cooperation among individuals, agencies, and organizations working in weed science.
  • CalWeedMapper
    CalWeedMapper is used to create maps and reports of invasive plant distribution, identify regional weed management opportunities or update species distribution data.
  • Center for Invasive Plant Management
    A regionally focused center based at Montana State University, promoting ecologically sound management of invasive plants by facilitating collaboration and partnerships among scientists, land managers, educators, and policy makers.
  • Food and Agriculture Code - Leginfo
    The Food and Agriculture Code, online.
  • Invasive Species Council of California
    The ISCC represents the highest level of leadership and authority in state government regarding invasive species. The ISCC is an inter-agency council that helps to coordinate and ensure complementary, cost-efficient, environmentally sound and effective state activities regarding invasive species.
  • National Association of Exotic Pest Plant Councils
    The NAEPPC's goal is to facilitate communication between; represent the interests of; support the formation and growth of; and to provide a forum for all EPPCs on issues and policies of national importance on exotic pest plants that threaten natural areas and wildlands, and to provide support for the implementation of national invasive species initiatives and other activities of national importance
  • North American Invasive Species Management Association
    NAISMA is a network of public and private professional weed managers who are involved in implementing any phase of a county, municipal, district, state, provincial or federal noxious weed law.
  • PlantRight
    PlantRight is dedicated to raising awareness about invasive horticultural species among nurseries and gardeners. Start here to find habitat-friendly plants for your part of California.
  • Team Arundo del Norte
    A forum of local, state, and federal organizations dedicated to the control of Arundo donax (giant reed), where it threatens rivers, creeks, and wetlands in Central and Northern California.
  • UC Weed Research and Information Center
    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.
  • UC IPM – How to Manage Weeds
    Science-based weed management advice that is economically and environmentally sustainable, and socially appropriate.
  • USDA – APHIS Noxious Weeds Program
    Information on APHIS noxious weed activities including exclusion, permitting, eradication of incipient infestations, survey, data management, public education, and integrated management of introduced weeds, including biological control.
  • Weed Science Society of America
    A non-profit professional society, that promotes research, education, and extension outreach activities related to weeds; provides science-based information to the public and policy makers; and fosters awareness of weeds and their impacts on managed and natural ecosystems.
  • Western Society of Weed Science
    An association of weed science professionals working throughout the Western United States. Membership is open to anyone, including federal, state, and local employees, private company personnel, crop consultants, growers, or others interested in a wide variety of weed science related information.