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Using the Rare Plant Inventory Advanced Search
Using the RPI's advanced search allows you to unlock even more capabilities! List/Rank, Location, Biology, and more. -
How to Search the Rare Plant Inventory
Over one-third of California’s flora is considered rare. Learn expert tips to search the RPI to prepare a list of rare plant species for a project. -
The Many Uses of the CNPS Rare Plant Inventory
It sounds mysterious and magical, like an ancient tome you would check out of the library. Where does it come from? -
CNPS Sues Lake County Over Risky Guenoc Valley Development
CNPS sued Lake County this week for its rushed approval of a 16,000-acre luxury complex north of Napa County in fire-prone Guenoc Valley. -
Hope in the Future of Seeds Collected Today
Extinction is on the rise worldwide, but California is pushing back. California’s botanical institutions are determined to prevent any further extinction of the state’s native plants. -
Governor’s Biodiversity Actions Mark Unprecedented Call for Native Plant Protection
The governor's actions are among the first to unambiguously emphasize the critical importance of saving California’s native plants. -
California Protects New Endangered Species Thanks to Volunteer Botany Heroes
The coast yellow leptosiphon and the Lassics lupine now have state endangered species protection, thanks in large part to two CNPS members. -
A New Endangered Species Candidate: Coast Yellow Leptosiphon
Coast yellow leptosiphon (Leptosiphon croceus) is an endangered species limited to less than 500 plants clinging to a cliff edge in San Mateo County. -
Saving the Lassics Lupine
Lassics lupine (Lupinus constancei) is a species endemic to just four acres in the the Lassics Mountains in eastern Humboldt County that is on the brink of extinction. -
Livermore Tarplant Added to California Endangered Species List
CNPS successfully petitioned for endangered status for a species known to exist in only three locations within Alameda County.
