Source: California Invasive Plant Council

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2014 Cal-IPC Symposium

"Wildland Weeds and Water"

October 8-11, California State University - Chico

Sutter Buttes
Sutter Buttes, "the world's smallest mountain range."

Register now!

Join fellow land managers, researchers, and conservationists for our 23rd Cal-IPC Symposium in the college town of Chico at the confluence of the Sierra, the volcanic Cascades and the Central Valley! The Symposium features presentations and discussion groups covering the latest findings in invasive plant management, plus a field course on woody plant management, field trips to local restoration sites, a poster and exibitor session, photo contest, raffle and silent auction, and our awards banquet at the Sierra Nevada Brewery!


Sutter Buttes
Field trip to the Sutter Buttes, 2008.

See our program and abstracts online. This year's invited sessions focus on the theme of "Wildland Weeds and Water" in acknowledgement of the inter-relationships between water resources, drought and land management. Presenters include Cliff Feldheim and Randy Mager from Dept. of Water Resources, Tim Koopman, President of the California Cattlemen's Association and our keynote speaker Dr. Tom Griggs of River Partners.

Field Course: Control Methods for Woody Species
Wed., Oct. 8, at the Chico Creek Nature Center in Bidwell Park, with instructors Joe DiTomaso, Ken Moore, and others. (Map to Field Course location)

Field Trips: Full-day and half-day trips on Sat., Oct. 11, will visit restoration projects and scenic sites near Chico, including the Sutter Buttes!

Calflora Training: Also see info on a special Calflora Training on Sat., Oct. 11, at bottom of this page. Separate registration required.

California DPR and Nevada Dept. of Agri. CE Units: 2.0 Laws & Regs (Wed. evening); 12.5 Other for Thu./Fri. sessions; 5.0 for the Wed. Field Course; 4.0 for Sat. Field Trips.

Oregon Dept. of Agri. CE Units: 2.0 Laws & Regs (Wed. evening); 4.0 for the Wed. Field Course; Other session credits will be posted soon.

Registration & Lodging

Registration is open! Sept. 10 is the deadline for early-bird discounts. Pre-register by Oct. 3 or register at the door. Discounts for Cal-IPC members, students, and conference volunteers. Visit the Registration page.

For lodging and other attendee information, visit the Attendees page.

Raffle & Auction

Each year we host a reception featuring the fabulous Cal-IPC Raffle and Silent Auction! We are seeking your donations of useful, beautiful, or creative items. Books, tools, art, wine, crafts, trips, recreation equipment, gift certificates - anything a weed worker could want is fair game. Visit our Auction page!

Photo Contest

Photo contest now open!- Deadline September 19. New this year is online voting! Our annual photo exhibit gives amateur photographers a chance to show off their best shots of invasive plants and weed workers in action. Symposium attendees vote for favorites. Visit our Photo Contest page.

poster session
A great chance to network and learn!

Sponsorship & Exhibits

Support Cal-IPC by becoming a Symposium sponsor! Sponsors receive complimentary passes to the Symposium, recognition at the event, and exhibit space. To become a sponsor visit the Sponsorship page or contact Christina Ripken.

Special Events & Activities

Awards: Cal-IPC honors members for exceptional achievements. For a description of awards, past winners, and instructions for submitting nominations visit the Awards page.

Student Lunch: Friday, Oct. 10. See program for details. For information on the Cal-IPC Student Chapter, visit their website or contact

Calflora Training: Calflora staff will be on hand to provide a hands-on training on the use of Observer, their smartphone tool for logging observations in the field, and to give an update on the development of Weed Manager. A program will be posted shortly through Chico St. Herbarium.
Register for this Calflora Training by mail with this application.

Symposium Archive
Presentations, proceedings and working group notes for previous symposia starting from 1995.