The mission of the California Native Plant Society is to increase understanding and appreciation of California’s native plants and to conserve them and their natural habitats through education, science, advocacy, horticulture and land stewardship.

Dedicated to the preservation of California's native plants

Fiscalini Ranch, January, 2019. Cambria, California. Marlin Harms.

Hypogymnia sp., Tube Lichen. Marlin Harms.

Phaeolus schweinitzii, Dyer’s Polypore.
Marlin Harms.

Mycena purpureofusca, Cone-dwelling Mycena. On cone of Monterey Pine, Pinus radiata. Marlin Harms.

Coastal Lichens on Rock–Caloplaca & Acarospora. 
Marlin Harms

Gymnopilus spectabilis, Laughing Gym, After Showers. Marlin Harms.

Hot Topics

Congratulations to our newest Hoover Award winner!

Congratulations to our newest Hoover Award winner!

Melissa Mooney was recognized with the 2018 Hoover Award at our January Banquet, an honor that highlights her commitment to CNPS’ mission of understanding and documenting California’s flora, focused specifically on rare plants and plant communities. View more

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A Discussion about Environmental Justice

During a recent CNPS Board meeting in Sacramento, I participated in a discussion on environmental justice. A quick search in Google defines environmental justice as “the fair treatment and meaningful involvement of all people regardless of race, color, national...

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The Garden Corner

After several years of dryness, we are finally blessed with a cold and wet winter. With all this rain it’s important to go over a checklist for the Spring profusion of plant growth.

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Lichens

Lichens

People around the world use lichens for food, medicine, dying wool, and a variety of other uses.

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A Monterey Pine Tree Threw a Seed at Me

Technically, the Monterey pine tree threw the seed at my spouse who was standing on the deck outside of our house enjoying some sun. After the loud crack of a pinecone bursting open, one papery-winged seed wafted down onto the deck. Even though we live in the Monterey...

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Wildflowers of San Luis Obispo + Wildflowers of the Carrizo Plain

Wildflowers of San Luis Obispo + Wildflowers of the Carrizo Plain

The Revised and Expanded 2nd Edition of our wonderful Wildflowers of San Luis Obispo, California has arrived just in time for the holidays! 20 new plants have been added and the SLO City open space map has been updated including trailhead directions. The new cover photograph of Woolly Blue Curls with the distant view of an oak studded grassy hillside puts you on our Central Coast.

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Event Calendar

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  • Growing Grounds Farm Plant Sale
    11:00 am-4:00 pm
    09-19-2017

    3740 Orcutt Rd, San Luis Obispo, CA 93401, USA

    3740 Orcutt Rd, San Luis Obispo, CA 93401, USA

    Growing Grounds Farm is a non-profit wholesale nursery located in San Luis Obispo. Growing Grounds offers California natives, Mediterranean perennials, succulents, restoration and mitigation plants, a wide variety of grasses, and a selection of perennial herbs.

    Growing Grounds Farm is a wholesale nursery and does not sell directly to the public except on the 3rd Tuesday of each month from 11 a.m. to 4 p.m

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  • CNPS-SLO Board of Directors Meeting
    6:00 pm-7:30 pm
    09-21-2017

    1521-1537 Froom Ranch Way, San Luis Obispo, CA 93405, USA

    1521-1537 Froom Ranch Way, San Luis Obispo, CA 93405, USA

    CNPS-SLO Board of Directors meeting, Thursday, Sept. 21st, 6:00 – 7:30pm, Community Room, Whole Foods Market, San Luis Obispo.  All interested persons are encouraged to attend and contribute their ideas during the meeting.  All are welcome!

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  • Workshop: Survey of a Rare Plant Habitat
    8:30 am-11:30 am
    09-30-2017

    Corner of Highland Drive and Broderson, Los Osos

    Corner of Highland Drive and Broderson, Los Osos

    Rare Plant Workshop

    Saturday, Sept 30th, 8:30 – 11:30 am, Second survey of a rare plant habitat workshop, Los Osos

    If you have an interest in collecting data at a rare plant habitat site, please join plant biologists Melissa Mooney and Bill Waycott for this workshop.

    San Luis Obispo County is home to many rare plant habitats, most of which have not been surveyed in many years. We will work in teams to identify and record the dominant plant species within a 60-foot radius from a predetermined GPS point. We plan to survey other rare plant habitats in the county over the next two years. This data will be forwarded to the state office for inclusion in the Manual of California Vegetation.

    Please meet at the corner of Highland Drive and Broderson Ave. in Los Osos. Bring a clipboard, sharpened pencil with a good eraser, a phone or device that reads GPS locations (if available), along with a hat, water, and snacks.

    For more information, contact Melissa at (805) 459-8099, mjmoon@charter.net.

Volunteer at the Hoover Herbarium

During the volunteer sessions at the Hoover Herbarium, people can take part in any number of activities.  One of our primary responsibilities is mounting new specimens.  This involves taking dried and pressed plants and glueing them to paper.  When we mount plants, we do it in such a way that those specimens will last for hundreds of years.  Each specimen is a physical record of what plants occurred where and when.  Without this valuable information we wouldn’t know when a species goes extinct, expands or contracts its range, or where species occur.  After mounting, the specimens are databased and geo-referenced.  Then they are filed into the main collection. We have over 80,000 specimens at the Hoover Herbarium.  We are also working on a SLO Voucher Collection, which will contain one representative specimen for each species in the county.  Volunteers look through our specimens and pick the one that should be added to the Voucher Collection.  Additionally, we are actively working on our moss and lichen collections.  Volunteers can choose what aspects of the work they would like to participate in.  Any and everyone is welcome. The Hoover Herbarium is located on the 3rd floor of the Fisher Science Building (33) in rooms 352 and 359.

Starting Sept 18th, the herbarium volunteers sessions will be Mondays from 3-5 pm and Fridays 9 – 1.
Parking permits are required on campus Monday through Thursday, 7:00 am through 10:00 pm; and Friday, 7:00 am through 5:00 pm. You can either buy a $6 day pass, a $4 3-hr pass, park in a metered space, ride the bus, or park off campus and walk in.  Questions: email Jenn Yost at jyost@calpoly.edu

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