This year, we’re gathering online, giving us the opportunity to safely connect with community members from across the state – and beyond – to get the latest updates on effective tools, relevant research, and strategic management approaches.

Student Poster Winner Clarissa Rodriguez shares her work with attendees.

Registration is now closed. We’re looking forward to “seeing” you online this week!

Oct. 27-30, we’ll have session talks, discussion groups, and posters covering a wide range of topics related to invasive plant biology and management.

View the program

Check out what’s in store! Review the program to see speakers, session topics, discussion groups, posters, sponsors, and more.

Symposium Sponsorship

Thank you Symposium Sponsors! Our online format encourages connection to California’s natural resource management community, with many recognition opportunities for sponsoring organizations.

Vote in Cal-IPC’s Annual Photo Contest

Voting is open to all! Come back each day and vote for your favorite or choose more than one favorite. Stuff the ballot box, tell your friends, and let’s see who the community picks this year! Deadline Oct. 29.

Bid in the Online Auction

Bidding is open to all! The Auction is online this year, and items are already selling. Check out great donations from artists and donors across California. Deadline Oct. 29, 8pm.

Info for Presenters

Preparing to present a talk or poster? Get more information here. We look forward to sharing your discoveries and lessons learned.

Cal-IPC Awards

View award winners from previous Symposia and celebrate their success.

Cal-IPC Symposia Archive

Looking for more content? See our Symposia Archive for presentations and proceedings for previous Symposia back to 1995.