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  • News & Stories
    • Newsroom
    • Recent Stories
  • About CNPS
    • History
      • Accomplishments
    • People
      • Leadership
      • Staff
      • Fellows
      • Jobs
    • Publications
      • CNPS Press
      • CNPS Scientific Journal
      • Flora
      • CNPS Bulletin
    • Accountability
    • Chapters
      • Chapter Map
      • Chapter Council
    • Contact
  • Our Work
    • Biodiversity Initiatives
      • 30×30
      • Community Science
      • Horticulture Science
      • Stewardship
      • Survey of California Biodiversity
      • ReOak
    • Conservation
      • Important Plant Areas
      • Climate Change
      • Forestry
      • Desert Conservation
      • Endangered Species
      • Regional Conservation Planning
      • Wildfire and Native Plants
      • Conservation Policies
    • Education
      • Students
        • Student Research Grants 2023
        • CNPS Education Grants
        • Chapter Scholarships
        • Parents and Teachers
        • Networking & Botanical Info
      • Workshops
      • Rare Plant Treasure Hunts
      • Botanist Certification
      • 2022 Conference
    • Gardening
      • Getting Started
      • Design Basics
      • Bloom! California
      • Prepping and Planting
      • Digging Deeper
      • Garden Ambassadors
      • Gardening Webinars
    • Rare Plant Program
      • CNPS Inventory of Rare Plants
      • Rare Plant Ranking & Review
        • California Rare Plant Ranks
        • Rare Plant Status Review Forum
      • Endangered Species
      • Rare Plant Treasure Hunts
      • Local Flora – Floristics
      • Locally Rare
      • Rare Plant Photo Collection
      • Field Protocols & Guidelines
      • Rare Plant Program Committee
    • Vegetation Program
      • California Grasslands & Vernal Pools Initiative
      • Sensitive Natural Communities
      • Manual of California Vegetation
      • Plant Community Mapping & Monitoring
      • Field Protocols & Guidelines
      • Classification and Mapping Reports
  • Helpful Tools
    • Calscape
    • Inventory of Rare Plants
    • Manual of CA Vegetation
  • Get Involved
    • Membership
    • Events Near You
    • Chapters
    • Priority Initiatives
      • Dudleya Protection
    • Volunteer to help CNPS
  • Join / Renew
  • Give
    • DONATE
    • Monthly Sustainer/Perennial Membership
    • Membership
    • Planned Gifts
    • Priority Initiatives
    • Tribute and Memorial Gifts
    • Other Ways to Give
  • Rare Plants

    Exploring the Kern River Watershed

    July 19, 2022
    We looked for rare plants, camped, hiked, went birdwatching, and found fire followers coming up in the French Fire burn area.
  • Rare Plants

    What a Rush! Collecting Juncus digitatus in Nevada County 

    June 29, 2022July 5, 2022
    Named for its distinctive fruits, the rare finger rush grows in vernally moist microhabitats and stands only a few centimeters tall.
  • Siskiyou iris (Iris bracteata)
    Rare Plants

    “List 3” Plants on the Rare Plant Inventory

    June 16, 2022April 20, 2023
    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.
  • Rare Plants

    Using the Rare Plant Inventory Advanced Search

    May 12, 2022April 20, 2023
    Using the RPI's advanced search allows you to unlock even more capabilities! List/Rank, Location, Biology, and more.
  • Rare Plants

    How to Search the Rare Plant Inventory

    April 28, 2022April 20, 2023
    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.
  • Eriogonum nervulosum
    Rare Plants

    The Many Uses of the CNPS Rare Plant Inventory

    April 14, 2022April 27, 2022
    It sounds mysterious and magical, like an ancient tome you would check out of the library. Where does it come from?
  • Conservation

    CNPS Sues Lake County Over Risky Guenoc Valley Development

    September 4, 2020April 29, 2022
    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.
  • Conservation

    Hope in the Future of Seeds Collected Today

    May 17, 2019April 29, 2022
    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.
  • Conservation

    Governor’s Biodiversity Actions Mark Unprecedented Call for Native Plant Protection

    October 4, 2018April 29, 2022
    The governor's actions are among the first to unambiguously emphasize the critical importance of saving California’s native plants.
  • Rare plant botanist and CNPS member Toni Corelli volunteered her time and expertise to petition on behalf of the endangered coast yellow leptosiphon.
    Conservation

    California Protects New Endangered Species Thanks to Volunteer Botany Heroes

    April 25, 2018June 13, 2018
    The coast yellow leptosiphon and the Lassics lupine now have state endangered species protection, thanks in large part to two CNPS members.
  • Rare plant botanist and CNPS member Toni Corelli volunteered her time and expertise to petition on behalf of the endangered coast yellow leptosiphon.
    Conservation

    A New Endangered Species Candidate: Coast Yellow Leptosiphon

    January 27, 2017June 13, 2018
    Coast yellow leptosiphon (Leptosiphon croceus) is an endangered species limited to less than 500 plants clinging to a cliff edge in San Mateo County.
  • Conservation

    Saving the Lassics Lupine

    September 30, 2016April 25, 2018
    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.
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