P.O. Box 1961, West Sacramento, CA 95691     (831) 442-0883     (831) 442-2351 manager@cwss.org


CWSS Newsletter

The email newsletter primarily contains information about the annual conference and membership in the society. It is published 1-2 times per year.

CWSS Journal and Research Update

We welcome your submissions!

The CWSS Journal has a focus on people, projects, information and issues of interest to California weed management professionals. We accept many types of articles including short reports on field days, field reports, book reviews, opinions, research reports, and even photo essays. There is no maximum or minimum word limit, although we reserve the right to ask for edits and changes to any and all submissions.

Submission Guidelines and Deadlines:

There is no maximum or minimum word limit, although we reserve the right to ask for edits and changes to any and all submissions.

Please let me know if you would like to contribute to an issue in July (Summer) or Winter (December). The article contributions are first come first serve.

  • July 2024
  • December 2024

For consideration in the Summer issue, please submit your articles by June 15th

For consideration in the Winter issue, please submit your articles no later than November 15th.

Please send to Clebson GonçalvesCWSS Non-conference Education Director goncalves@ucanr.edu.



Conference Proceedings

Reports presented at the California Weed Science Society Conference are published each year. They are distributed throughout most of the United States and in a dozen foreign countries. The contents of the proceedings are considered as applied research progress reports and contain practical information.

2021 proceedings is available for download in PDF format.

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Past issues of the conference proceedings in the archive.

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Principles of Weed Control, 4th Edition – E-Book and Paperback Available Now

The CWSS publishes a textbook, Principles of Weed Control in California, that focuses on the applied aspects of weed control.  The purpose of this textbook is to provide access to the fundamental principles and concepts of weed management in California.

Over 50 authors have contributed to the success of the book. Their individual areas of expertise are reflected within their respective chapters.  The book is designed for use at the college level by students who have an interest in pursuing a plant science or associated background of course work.

It is also a useful resource for individuals studying to become pest control advisers and applicators or for consultants that work in weed science. This is a valuable resource for anyone working in weed science in California.  Periodic revisions by CWSS keep this textbook current and applicable in California.

The book has undergone a complete 4th edition revision and is available in e-book and paperback versions at Amazon and Barnes and Noble.


Principles of Weed Control : 4th Edition

Principles of Weed Control : 4th EditionThis is a weed management book with a focus on California’s unique mix of crops, but with relevance to other areas as well. The book provides the basics of weed management in agronomic crops as well as tree and vine crops, vegetable crops and turf and landscape. Featured also are aquatic weed management, forestry and range management as well as industrial areas. The book provides the basics of weed biology, weed ecology, chemical and non-chemical weed management.

Purchase Here

Weeds of California

Weeds of California This new weed identification book has been in the making for over 6 years. It is the most comprehensive weed identification book yet produced in the United States. It contains over 3000 color photos of infestations and whole plants as well as close-up photos of flowers, seedlings, and seeds. DiTomaso and Healy offer comprehensive descriptions and photographs of over 750 weed species in the book. Detailed information about seedlings, mature plants, flowers, fruits, roots, germination, and propagation characteristics and descriptions of similar species simplify the quick and accurate identification of a weed.

Purchase Here

Aquatic and Riparian Weeds of the West

Aquatic and Riparian Weeds of the WestThis is practical guide to the identification and biology of submerged, floating leaved, and emergent aquatic weeds in the Western United States. The book contains a full description of 89 species representing 36 plant families, and another 96 plants compared as similar species. There is at least one photograph each of 171 aquatic plant species. The book contains quick identification tables, several keys, and an illustrated glossary.

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Ecology of Weeds and Invasive Plants: Relationship to Agriculture and Natural Resource Management, 3rd Edition

Ecology of Weeds and Invasive Plants: Relationship to Agriculture and Natural Resource Management, 3rd EditionThe Third Edition of this authoritative reference provides an in-depth understanding of how weeds and invasive plants develop and interact in the environment so you can manage and control them more effectively. The guide includes an introduction to weeds and invasive plants in various environments and an overview of their ecology and evolution.


Purchase Here