Mojave Stinkweed
Cleomella obtusifolia
Calscape.org
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Slender Stinkweed
Cleomella parviflora
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Twisted Cleomella
Cleomella plocasperma
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Purple Marsh Cinquefoil
Comarum palustre
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Samiland Gentian
Comastoma tenellum
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Conioselinum pacificum
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Oregon Goldthread
Coptis laciniata
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Desert Bird's Beak
Cordylanthus eremicus
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Bushy Bird's Beak
Cordylanthus ramosus
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Brown Dogwood
Cornus glabrata
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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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Water Pygmyweed
Crassula aquatica
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Pygmy-weed
Crassula connata
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Black Hawthorn
Crataegus douglasii
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Crepis runcinata ssp. andersonii
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Hall's Meadow Hawksbeard
Crepis runcinata ssp. hallii
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Alkali Weed
Cressa truxillensis
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Tapertip Flatsedge
Cyperus acuminatus
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Tall Flatsedge
Cyperus eragrostis
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Red Rooted Cyperus
Cyperus erythrorhizos
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Chufa Sedge
Cyperus esculentus
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Smooth Flatsedge
Cyperus laevigatus
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Black Flatsedge
Cyperus niger
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Fragrant Flatsedge
Cyperus odoratus
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Parish's Flatsedge
Cyperus parishii
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Bearded Flatsedge
Cyperus squarrosus
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False Nutsedge
Cyperus strigosus
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California Lady's Slipper
Cypripedium californicum
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Fringed Water-plantain
Damasonium californicum
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California Oatgrass
Danthonia californica
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Timber Oatgrass
Danthonia intermedia
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Indian Rhubarb
Darmera peltata
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Shrubby Cinquefoil
Dasiphora fruticosa
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Durango Root
Datisca glomerata
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Desert Thornapple
Datura discolor
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Glaucus Larkspur
Delphinium glaucum
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High Mountain Larkspur
Delphinium polycladon
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Byron Larkspur
Delphinium recurvatum
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Swamp Larkspur
Delphinium uliginosum
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Tufted Hairgrass
Deschampsia cespitosa
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Susan's Choice Tufted Hairgrass
Deschampsia cespitosa 'Susan's Choice'
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Tufted Hair Grass
Deschampsia cespitosa ssp. cespitosa
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California Hairgrass
Deschampsia cespitosa ssp. holciformis
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Jughandle Pacific Hairgrass
Deschampsia cespitosa ssp. holciformis 'Jughandle'
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Annual Hair Grass
Deschampsia danthonioides
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Hairgrass
Deschampsia elongata
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Desert Twinbugs
Dicoria canescens
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Hoary Aster
Dieteria canescens
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Hoary Tansyaster
Dieteria canescens var. canescens
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Dieteria canescens var. incana
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Whiteflower Tansyaster
Dieteria canescens var. leucanthemifolia
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Shasta Tansy-aster
Dieteria canescens var. shastensis
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Narrow Leaved Pansy Monkeyflower
Diplacus angustatus
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Western Leatherwood
Dirca occidentalis
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Shore Grass
Distichlis littoralis
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Bach's Calicoflower
Downingia bacigalupii
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Hoover's Downingia
Downingia bella