Miner's Lettuce
Claytonia perfoliata ssp. intermontana
Calscape.org
Calscape.org
Chaparral Clematis
Clematis lasiantha
Calscape.org
Small Leaved Clematis
Clematis pauciflora
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Bladderpod
Cleomella arborea
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San Diego Yerba Buena
Clinopodium chandleri
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Monkey Flower Savory
Clinopodium mimuloides
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Bush Rue
Cneoridium dumosum
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Blackbrush
Coleogyne ramosissima
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White Collinsia
Collinsia concolor
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Purple Chinese Houses
Collinsia heterophylla
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Narrow Leaf Collinsia
Collinsia linearis
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Large Flowered Collomia
Collomia grandiflora
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Summer Holly
Comarostaphylis diversifolia ssp. planifolia
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Purple Marsh Cinquefoil
Comarum palustre
Calscape.org
Bitter Snakewood
Condalia globosa
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Desert Lavender
Condea emoryi
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Silver Lining Desert Lavender
Condea emoryi 'Silver Lining'
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Nevin's Woolly Sunflower
Constancea nevinii
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Canyon Silver Catalina Silverlace
Constancea nevinii 'Canyon Silver'
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Hairy Bird's Beak
Cordylanthus pilosus
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Hairy Bird's Beak
Cordylanthus pilosus ssp. pilosus
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California Aster
Corethrogyne filaginifolia
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Moss Landing Common Sandaster
Corethrogyne filaginifolia 'Moss Landing'
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Silver Carpet Aster
Corethrogyne filaginifolia 'Silver Carpet'
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Smart Aster Common Sandaster
Corethrogyne filaginifolia 'Smart Aster'
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Red Osier Dogwood
Cornus sericea
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Scrambled Eggs
Corydalis aurea
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Viviparous Foxtail Cactus
Coryphantha vivipara
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Black Hawthorn
Crataegus douglasii
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Klamath Hawthorn
Crataegus gaylussacia
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Modoc Hawksbeard
Crepis modocensis
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Alkali Weed
Cressa truxillensis
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Common Sun Rose
Crocanthemum scoparium
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Bisbee Peak Rush Rose
Crocanthemum suffrutescens
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Rock Crossosoma
Crossosoma bigelovii
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California Croton
Croton californicus
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Turkey Mullein
Croton setiger
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Flaccid Cryptantha
Cryptantha flaccida
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Beaked Cryptantha
Cryptantha rostellata
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Slender Cryptantha
Cryptantha sparsiflora
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Torrey's Cryptantha
Cryptantha torreyana
Calscape.org
Missouri Gourd
Cucurbita foetidissima
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Arizona Cypress
Cupressus arizonica
Calscape.org
Sacramento Waxydogbane
Cycladenia humilis
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Cycladenia
Cycladenia humilis var. humilis
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Cane Cholla
Cylindropuntia bernardina
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Jumping Cholla
Cylindropuntia bigelovii
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Golden Cholla
Cylindropuntia echinocarpa
Calscape.org
Coastal Cholla
Cylindropuntia prolifera
Calscape.org
Pencil Cholla
Cylindropuntia ramosissima
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Tall Flatsedge
Cyperus eragrostis
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Red Rooted Cyperus
Cyperus erythrorhizos
Calscape.org
False Nutsedge
Cyperus strigosus
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California Lady's Slipper
Cypripedium californicum
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California Oatgrass
Danthonia californica
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Timber Oatgrass
Danthonia intermedia
Calscape.org
Shrubby Cinquefoil
Dasiphora fruticosa
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Durango Root
Datisca glomerata
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Desert Thornapple
Datura discolor
Calscape.org
Sacred Datura
Datura wrightii