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Editor's Picks

Dr. Michael Avishai, a leading oak expert, botanist, and...
Ori Fragman-Sapir | Feb 08, 2019
The Huntington, in San Marino, CA, obtained a grant from...
Website Editor | Feb 08, 2019
It may surprise you to learn that we are not the first Oak...
Shaun Haddock | Dec 15, 2018

Plant Focus

Quercus douglasii is an endemic California oak tree, affectionately called “the blue oak” due to its distinctive blueish-green leaf color....


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California black oak see: Quercus kelloggii Newb.

California Department of Fish and Game, R1:47-48

California Department of Forest and Fire Protection Forest and Rangeland Resources Assessment Program, R1:48

California fossil oaks, R1:40

California human impact on oaks, R1:42, 45-46

California Integrated Hardwood Range Management Program, R1:48

California Inventory of Rare and Endangered Vascular Plants, R1:48

California Native Plant Society, R1:8, 46, 48-49

California Oak Foundation, R1:46-48

California oak habitats, R1:42

California oak history, R1:43-45

California oak hybrids, 3:4-13

California oaks, R1:40-49

California Santa Rosa Plateau Ecological Reserve, 2:17-24

California see also individual species names

California State Forestry Board, R1:47-48

California State Polytechnic University, San Luis Obispo, R1:47

California State University, R1:47

California white oak see : Quercus lobata Née

California, article : A New Oak on Mount Tamalpais, 5:27-32

Cambridge Botanical Garden, R1:30

Campeche (Mexico) oak distribution, 4:8

Camus, A., R1:26, 30

Canyon live oak see: Quercus chrysolepis Liebm.

Casteel, Stan article, Heavy Acorn Crop Leads to Intoxication in Missouri, 5:36-37

Cavagnaro, David, R1:46, 49

Ceratocystis fagacearum see : Oak wilt

Cerris Dumort, R1:33; 3:4

Chen, Mo-Mei article, A Potential New Profit From Oak Woodlands, 5:37-39

Chiapas (Mexico) oak distribution, 4:7,8

Chihuahua (Mexico) oak distribution, 4:8

Chinkapin oak see : Quercus muehlenbergii Engelm.

Clark, Ross C. article, Chinkapin Oak: Satisfaction for the Homeowner, Skulduggery for the Botanist, 4:17-20

Climate Arboretum Trompenburg, R1:21, 24

Climate isopleths, R1:11

Clinal variation (introgression), see individual species names

Coahuila (Mexico) oak distribution, 4:7

Coast live oak see : Quercus agrifolia Née

Collinson, Peter, R1:7

Common European oak see : Quercus robur L.

Conservation oaks in western North America, R1:5, 46-49

Cooper, Susan, R1:7-9

Cooper, Susan article, Trials and Tribulations of Germinating Acorns, 2:6-7

Cottam Walter P. hybridization, 3:12; 5:23-27

Crown-root ratio balancing, 3:14

Cultivars, see individual cultivar names

Cypress oak see : Quercus robur L. ‘Fastigiata'

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