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50th Anniversary of the CNPS Rare Plant Inventory, a talk by Aaron Sims

February 8 @ 7:00 pm - 9:00 pm

Celebrate the 50th Anniversary of rare plant ranking in California and the CNPS Rare Plant Inventory! CNPS maintains an inventory of California’s rare and endangered plants. This data is used to fight extinction, engage citizen scientists and inform land use decisions statewide. Aaron Sims, the CNPS Rare Plant Program Director, will take us on an expedition through the history of the program. You’ll see the tremendous impact it’s made in plant conservation in California and learn about some of the rare plants in our Chapter.

You can visit the CNPS Rare Plant Inventory online at

Aaron Sims is the CNPS Rare Plant Program Director and is responsible for overseeing and managing the status review process for additions and changes to the CNPS Rare Plant Inventory (RPI), updating and maintaining the RPI, and supporting and monitoring the Rare Plant Treasure Hunt, California Plant Rescue, and Special Projects programs of CNPS. He received a degree in Ecology and Systematic Biology with an emphasis in Botany from Cal Poly, San Luis Obispo. In addition to his enthusiasm for field botany and California floristics, Aaron enjoys being a dad and appreciates many hobbies, including snowboarding, photography, travel, tap dancing, ceramics and woodworking.

This talk will be live streamed simultaneously on Zoom (requires advance registration) and YouTube (registration NOT required).




Santa Clara Valley