Mount Diablo Bird's-beak
Cordylanthus nidularius
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Small-flowered Bird's-beak
Cordylanthus parviflorus
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Hairy Bird's Beak
Cordylanthus pilosus
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Hansen's Bird's Beak
Cordylanthus pilosus ssp. hansenii
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Hairy Bird's Beak
Cordylanthus pilosus ssp. pilosus
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Hairy Bird's Beak
Cordylanthus pilosus ssp. trifidus
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Pringle's Bird's Beak
Cordylanthus pringlei
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Bushy Bird's Beak
Cordylanthus ramosus
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Stiffbranch Bird's Beak
Cordylanthus rigidus
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Short-bracted Bird's-beak
Cordylanthus rigidus ssp. brevibracteatus
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Seaside Bird's-beak
Cordylanthus rigidus ssp. littoralis
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Rigid Bird's Beak
Cordylanthus rigidus ssp. rigidus
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Cordylanthus rigidus ssp. setiger
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Slender Bird's Beak
Cordylanthus tenuis
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Fresno County Bird's-beak
Cordylanthus tenuis ssp. barbatus
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Serpentine Bird's-beak
Cordylanthus tenuis ssp. brunneus
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Pallid Bird's-beak
Cordylanthus tenuis ssp. pallescens
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Slender Bird's Beak
Cordylanthus tenuis ssp. tenuis
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Slender Bird's Beak
Cordylanthus tenuis ssp. viscidus
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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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Brown Dogwood
Cornus glabrata
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Pacific Dogwood
Cornus nuttallii
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Red Osier Dogwood
Cornus sericea
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Western Dogwood
Cornus sericea ssp. occidentalis
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Creek Dogwood
Cornus sericea ssp. sericea
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Miner's Dogwood
Cornus sessilis
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Bunchberry
Cornus unalaschkensis
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Scrambled Eggs
Corydalis aurea
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Sierra Fumewort
Corydalis caseana
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Sierra Corydalis
Corydalis caseana ssp. caseana
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Beaked Hazelnut
Corylus cornuta
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California Hazel
Corylus cornuta ssp. californica
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Water Pygmyweed
Crassula aquatica
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Pygmy-weed
Crassula connata
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Smooth-seed Pygmyweed
Crassula solieri
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Crataegus castlegarensis
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Black Hawthorn
Crataegus douglasii
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Klamath Hawthorn
Crataegus gaylussacia
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Tapertip Hawksbeard
Crepis acuminata
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Baker's Hawksbeard
Crepis bakeri
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Cusick's Hawksbeard
Crepis bakeri ssp. cusickii
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Limestone Hawksbeard
Crepis intermedia
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Modoc Hawksbeard
Crepis modocensis
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Modoc Hawksbeard
Crepis modocensis ssp. modocensis
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Modoc Hawksbeard
Crepis modocensis ssp. subacaulis
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Mountain Hawksbeard
Crepis monticola
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Dwarf Alpine Hawksbeard
Crepis nana
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Western Hawksbeard
Crepis occidentalis
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Largeflower Hawksbeard
Crepis occidentalis ssp. conjuncta
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Largeflower Hawksbeard
Crepis occidentalis ssp. costata
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Largeflower Hawksbeard
Crepis occidentalis ssp. occidentalis
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Largeflower Hawksbeard
Crepis occidentalis ssp. pumila
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Nakedstem Hawksbeard
Crepis pleurocarpa
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Fiddleleaf Hawksbeard
Crepis runcinata
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Crepis runcinata ssp. andersonii
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Hall's Meadow Hawksbeard
Crepis runcinata ssp. hallii
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Alderson's Rush-rose
Crocanthemum aldersonii