Background: State and regional invasive plant councils play an important role in assessing and listing invasive plants that cause ecological harm in wildlands. These organizations recognize the benefits of standardizing their approaches (while allowing for appropriate variation) to ensure scientific rigor, transparency, and engagement of all stakeholders. This is especially important as landscaping guidelines increasingly point to such lists when recommending that invasive plants not be used. Representatives from invasive plant councils across the country worked together to establish standardized best practices. The California Invasive Plant Council (Cal-IPC) followed these practices in their recent update of the Cal-IPC Inventory, in which we added 10 plant species to the existing list of 215 species. We also added 86 species in a new “watch” category based on evaluation with a screening tool for predicting potential for future invasiveness. This tool includes an online climate match tool that can be used by anyone in the US. In this webinar we will cover the best practices for invasive plant assessment and listing, what lessons Cal-IPC learned in applying these practices, and how other groups can use this approach in their own invasive plant assessment and listing.
Speakers: Doug Johnson is Executive Director of the California Invasive Plant Council (Cal-IPC) and serves on the executive committee for the National Association of Invasive Plant Councils. Dr. Ramona Robison is Science Program Manager and the lead on maintaining Cal-IPC’s Invasive Plant Inventor, the state’s list of invasive plants of wildlands, used by land managers to help prioritize their work.
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