COVID-19 Announcement

Out of concern for the health and safety of our members and dedicated volunteers, the Board of the San Luis Obispo Chapter of CNPS has had to make some heart-wrenching decisions.

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Invasive Species Report: Purple Ragwort (Senecio elegans)

Invasive Species Report: Purple Ragwort (Senecio elegans)

An attractive member of the Asteraceae (Sunflower) family Senecio elegans is an erect annual herb, up to 1 ft. tall and to 1.5 ft. wide. It is native to Southern Africa and is distributed along coastal California. In northern San Luis Obispo County there are groups at San Simeon Point and at the other end of the county in the Guadalupe-Nipomo Dunes.

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The Morro Manzanita Chaparral Natural Community

The Morro Manzanita Chaparral Natural Community

Morro manzanita is the dominant vascular plant species of a rare natural community known as Morro manzanita chaparral, the Arctostaphylos morroensis Shrubland Alliance, as defined by the Manual of California Vegetation. This is an example of a natural community that is dominated by a listed species. Not all sensitive natural communities are.

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Meet our Social Media Intern, Kieran

Kieran Althaus joined our team last fall doing Social Media work along side Judi Young for the chapter. He is soon going to start his Masters Degree at Cal Poly in Biology with Dr. Matt Ritter and Dr. Jenn Yost. In the mean time he is staying occupied with the Plant Science Club at Cal Poly, as well as working on a variety of Botany projects.

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Poetry Initiative for the 50th Anniversary of Earth Day

This is a Call for Ecological Poetry/Prose/Art and Discourse throughout SLO County to unite with the cause initiated 50 years ago. Gathering stories to be Stewards of the Earth, this perspective can help direct hope for Earth, Forever. If you have a venue or poem and would like an Earth Day Poem reach out to muebersax61@gmail.com Mary Uebersax, EarthTones Gifts, Gallery & Center for Healing 805-238-4413

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Garden Maintenance

My garden is small compared to the ones I manage in my horticulture business, but it’s still a hideaway for the birds, bees and native plants. It’s calming and is a source of tranquility for myself and my family. During difficult times, and I’m sure you have...

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Matteo Garbelotto’s Letter on our next Sudden Oak Death (SOD) Blitz

The USFS has just released the 2019 tree mortality data, and in 2019 alone, a million tanoaks were dead because of SOD. SOD is moving to new Counties outside of the current area of infestation, and even in our Bay Area neighborhoods, SOD of 2019 is not the same SOD of 10 years ago: different distribution, new local outbreaks, and new hosts are emerging, as the disease becomes more and more established in its new home.

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A Few Rare Dune Natural Plant Communities

A Few Rare Dune Natural Plant Communities

San Luis Obispo County dunes, and the Oceano dunes surrounding Oso Flaco Lake in particular, are awesome places that are full of rare plants and at least three rare natural communities, as defined by the Manual of California Vegetation …

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Invasive Species Report: Poison-hemlock (Conium maculatum)

A member of the Apiaceae (Carrot) family Poison-hemlock is a biennial native to the Europe and North Africa and is a common weed, widespread in California. Poison-hemlock may germinate throughout the year. First year plants are low-growing and may overwinter in mild climates and plants resemble carrot plants.

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