SLO Chapter News

Invasive Species of the Month – Brassica tournefortii

Invasive Species of the Month – Brassica tournefortii

Sahara Mustard Sahara mustard is annual from the Mediterranean and has been spreading rapidly into coastal San Luis Obispo County. It is in Los Osos, Grover Beach, Oceano, the Nipomo Mesa and the Santa Maria River. Sahara Mustard first appeared in North America in...

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Hoover Award – 2016

Hoover Award – 2016

Bill Waycott was recognized with the 2016 Hoover Award for his contributions to appreciation and preservation of the San Luis Obispo native flora. The honor, named for Dr. Robert Hoover, was presented to Bill Waycott at the January banquet. Prior recipients meet...

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Volunteer at The Hoover Herbarium

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...

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CNPS-SLO Banquet 2017

CNPS-SLO Banquet 2017

California Native Plant Society - San Luis Obispo Chapter Annual Potluck Banquet Saturday, January 21, 2017 5:30-9:30 pm $10 per person, plus a pot luck item for the dinner Morro Bay Community Center 1001 Kennedy Way, Morro Bay - - - Social Hour - 5:30 pm Buffet Style...

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The Juniper-Oak Plant Association of Caliente Mountain

The Juniper-Oak Plant Association of Caliente Mountain

Caliente Mountain is the highest spot in the County, and forms the western side of Carrizo Plain National Monument The oak on Caliente Mountain. is Tucker's oak, a scrub oak with blue-green, spiny leaves that stands a little over head height but can reach to 7 meters....

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Iceplant (Carpobrotus edulis)

Iceplant (Carpobrotus edulis)

Invasive Species of the Month: Iceplant (Carpobrotus edulis) Iceplant is a perennial in the Aizoaceae family, native to South Africa and grows in sandy areas on the coast from Eureka to Baja. This succulently leaved plant is overwhelming and carpets the land. I've...

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Fall Color

Fall Color

O.K.... so we’re not Vermont. However we do have some pretty fall color displays. If you like the gold of aspen, you will see the same colors in our closely related cottonwood stands, both trees belonging to the genus Populus. Cottonwoods are riparian trees, and the...

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Sudden Oak Death Enters SLO County

Sudden Oak Death Enters SLO County

ABOUT THE IMAGE The cover for this issue features four leaves of California Bay (Umbellularia californica) that show the tell-tale symptoms of infection with Sudden Oak Death disease, in the form of the fungus-like eukaryotic microorganism called Phytophthora ramorum,...

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Water a Milkweed, Kill a Monarch?

Water a Milkweed, Kill a Monarch?

Monarch caterpillar feeding on Asclepias fascicularis All of our local native milkweeds are perennials, but like a lot of our drought-adapted plants, die back and go dormant during the long late summer and fall drought. Many gardeners, knowing there is a monarch...

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Native Plants for Erosion Control

Native Plants for Erosion Control

Coffeeberry Frangula californica - Images courtesy of Marlin Harms Way back in 1992 the Watershed Education Program for San Luis Obispo County, in conjunction with U.C. Extension and the Soil Conservation Service (now Natural Resources Conservation Service) produced a...

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Invasive Species of the Month – Cortaderia jubata

Invasive Species of the Month – Cortaderia jubata

Invasive Species of the Month Jubata grass (Cortaderia jubata) Mark Skinner There is an intense infestation of Jubata grass on the California coast. As almost everyone knows it mars the most beautiful places such as Big Sur. On their web site California Invasive Plant...

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Sudden Oak Death (SOD) in SLO County

Sudden Oak Death (SOD) in SLO County

CONSERVATION NOTE Terrible news for the Coast Live Oak and Tanbark Oak of our County. CNPS was a major contributor to the collection of leaves on possibly suspect oak and bay trees. Locally organized by CNPS’ Lauren Brown and Cal Fire’s Kim Corella , volunteers...

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Ceanothus hearstiorum

Ceanothus hearstiorum

Introduction October and November are when our Chapter gets serious about growing native plants. We have a November meeting devoted to it as well as our annual plant sale. This got me to remembering some articles written and drawings drawn by Alice G. Meyer that are...

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Invasive Species of the Month – Erigeron bonariensis

Invasive Species of the Month – Erigeron bonariensis

Erigeron bonariensis Hairy Fleabane or Flax Leaved Horseweed Family: Asteraceae, Place of Origin: South America Hairy fleabane is aptly named: it is strigose (set with stiff bristles or hairs) throughout the plant - stems, leaves, flowers. Hairy fleabane is an low...

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Morro Dunes Ecological Reserve on the Rocks (or sand)

Morro Dunes Ecological Reserve on the Rocks (or sand)

When CNPS Conservation team members John Chesnut and David Chipping joined with Marla Morrissey to form the Morro Estuary Greenbelt Alliance, the non-profit brought government agencies together to secure funds to protect rare dune habitat surrounding Los Osos. As a...

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Solidago californica

Solidago californica

California Goldenrod (Solidago velutina ssp. californica or S. californica) The photo by Dr. David Chipping that accompanies this note are of the California goldenrod (Solidago velutina ssp. californica or Solidago californica). According to Dr. Hoover in his Vascular...

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August in the Sierra Nevadas

August in the Sierra Nevadas

Diana and I made our annual pilgrimage to the Sierra Nevada Mts. in mid-August this year. We chose to backpack to the lakes and peaks accessible from the Lake Sabrina trailhead, west of Bishop, CA. I thought it would be a good idea to present some photos of our trek,...

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CNPS Conservation Symposium and Field Trips

CNPS Conservation Symposium and Field Trips

It's time to register for the CNPS Conservation Symposium and field trips to be held in Morro Bay from 8th to 11th September. The field trips are scheduled for Thursday, Friday, and Sunday, with the Conservation Symposium on Saturday at the Morro Bay Vet’s Hall, 209...

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