Western Water Hemlock
Cicuta douglasii
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Peregrine Thistle
Cirsium cymosum
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Desert Thistle
Cirsium neomexicanum
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California Thistle
Cirsium occidentale var. californicum
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Snowy Thistle
Cirsium occidentale var. candidissimum
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Meadow Thistle
Cirsium scariosum
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Chaparral Clarkia
Clarkia affinis
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Farewell To Spring
Clarkia amoena
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Glandular Fairyfan
Clarkia arcuata
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Two Lobed Clarkia
Clarkia biloba
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Punch Bowl Godetia
Clarkia bottae
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Fairy Fans
Clarkia breweri
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Red Ribbons
Clarkia concinna
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Red Ribbons
Clarkia concinna ssp. concinna
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Speckled Clarkia
Clarkia cylindrica
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Speckled Clarkia
Clarkia cylindrica ssp. cylindrica
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Dudley's Clarkia
Clarkia dudleyana
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Canyon Clarkia
Clarkia epilobioides
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Farewell To Spring
Clarkia gracilis
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Whitestem Clarkia
Clarkia gracilis ssp. albicaulis
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Mountain Clarkia
Clarkia heterandra
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Lewis' Clarkia
Clarkia lewisii
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Waltham Creek Clarkia
Clarkia modesta
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Purple Clarkia
Clarkia purpurea
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Diamond Clarkia
Clarkia rhomboidea
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Ramona Clarkia
Clarkia similis
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Red Spotted Clarkia
Clarkia speciosa
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Pismo Clarkia
Clarkia speciosa ssp. immaculata
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Redspot Clarkia
Clarkia speciosa ssp. nitens
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Elegant Clarkia
Clarkia unguiculata
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Fort Miller Clarkia
Clarkia williamsonii
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Gunsight Clarkia
Clarkia xantiana
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Gunsight Clarkia
Clarkia xantiana ssp. xantiana
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Serpentine Springbeauty
Claytonia exigua
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Serpentine Springbeauty
Claytonia exigua ssp. exigua
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Gypsum Springbeauty
Claytonia gypsophiloides
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Rooreh
Claytonia perfoliata
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Miner's Lettuce
Claytonia perfoliata ssp. intermontana
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Virgin's Bower
Clematis ligusticifolia
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Slender Stinkweed
Cleomella parviflora
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San Diego Yerba Buena
Clinopodium chandleri
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Blackbrush
Coleogyne ramosissima
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White Blue-eyed Mary
Collinsia bartsiifolia
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Desert Mountain Blue-eyed Mary
Collinsia callosa
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Child's Blue-eyed Mary
Collinsia childii
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Purple Chinese Houses
Collinsia heterophylla
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Purple Chinese Houses
Collinsia heterophylla var. heterophylla
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Spinster's Blue-eyed Mary
Collinsia sparsiflora
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Sticky Chinese Houses
Collinsia tinctoria
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Large Flowered Collomia
Collomia grandiflora
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Variable-leaf Collomia
Collomia heterophylla
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Purple Marsh Cinquefoil
Comarum palustre
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King's Bird's-beak
Cordylanthus kingii
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Heller's Bird's-beak
Cordylanthus kingii ssp. helleri
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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