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What a Rush! Collecting Juncus digitatus in Nevada County
Finger rush (CRPR 1B.1) exists only in Nevada County, El Dorado County, and two sites in Shasta County, where it is threatened by ornamental rock mining and altered hydrology. -
“List 3” Plants on the Rare Plant Inventory
Learn about the plants united by one common theme–we lack the necessary information to assign them to one of the other ranks or to reject them. -
Exploring the Kern River Watershed/ Explorando la cuenca del río Kern
Exploring the Kern River Watershed/ Explorando la cuenca del río Kern
June 4, Cannell Meadows Rare Plant Treasure Hunt
June 5: Community Hike, Audub… -
French Fire Burn Area Rare Plant Treasure Hunt
French Fire Burn Area Rare Plant Treasure Hunt
June 3, 10:30am, Greenhorn Summit, Kern Co.
We’ll explore the burn area around Alta Sierra and …
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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? -
The Governor’s Biodiversity Initiative | Top Three Take-Aways
The Governor's new Biodiversity Initiative is a victory for native plants and a important validation of CNPS work. -
Exploration of Fens in Carpenter Valley
Soon, in Carpenter Valley, more than 1,000 acres of lush meadow and forest will be protected by the Truckee Donner Land Trust and an easement held by The Nature Conservancy. -
Carnivorous plants in Meadows and Fens
The most striking and intriguing plants we found during our watershed assessment project in the Plumas National Forest were two carnivorous species: roundleaf sundew (Drosera rotundifolia) and California pitcherplant (Darlingtonia californica). -
Cypress – A Rare Natural Community
For the past year, the CNPS Vegetation Program has been working with volunteers to produce a fine-scale map of cypress stands throughout the state. -
Sonoma and Mendocino County Pygmy Forest: Ecosystem Definition and Mapping Project
Mendocino pygmy forests are naturally rare, occurring only on very old elevated marine terraces within 1 to 5 miles from the sea.
