Xantus Pincushion
Chaenactis xantiana
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Rose Heath
Chaetopappa ericoides
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Fern Bush
Chamaebatiaria millefolium
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Fremont's Goosefoot
Chenopodium fremontii
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Desert Willow
Chilopsis linearis
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Burgundy Desert Willow
Chilopsis linearis 'Burgundy'
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Candy Stripe Desert Willow
Chilopsis linearis 'Candy Stripe'
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Maggie's Pink Desert Willow
Chilopsis linearis 'Maggie's Pink'
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Desert Willow
Chilopsis linearis ssp. arcuata
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Burgundy Desert Willow
Chilopsis linearis ssp. arcuata 'Burgundy'
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Desert Way Desert Willow
Chilopsis linearis ssp. arcuata 'Desert Way'
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Spiny Chloracantha
Chloracantha spinosa
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Chloracantha spinosa var. spinosa
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Saltmarsh Bird's Beak
Chloropyron maritimum ssp. canescens
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Brittle Spineflower
Chorizanthe brevicornu
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Wrinkled Spineflower
Chorizanthe corrugata
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Devil's Spineflower
Chorizanthe rigida
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Watson's Spineflower
Chorizanthe watsonii
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Riverside Spineflower
Chorizanthe xanti
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Long Flowered Rabbitbrush
Chrysothamnus depressus
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Stickyleaf Rabbitbrush
Chrysothamnus viscidiflorus
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Yellow Cups
Chylismia brevipes
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Shockley's Evening-primrose
Chylismia heterochroma
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Chylismia munzii
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Mojave Thistle
Cirsium mohavense
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Desert Thistle
Cirsium neomexicanum
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Meadow Thistle
Cirsium scariosum
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Desert Cistanthe
Cistanthe ambigua
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Lassen Clarkia
Clarkia lassenensis
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Rooreh
Claytonia perfoliata
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Miner's Lettuce
Claytonia perfoliata ssp. intermontana
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Bladderpod
Cleomella arborea
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Mojave Stinkweed
Cleomella obtusifolia
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Slender Stinkweed
Cleomella parviflora
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Twisted Cleomella
Cleomella plocasperma
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Bush Rue
Cneoridium dumosum
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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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Blue-eyed Mary
Collinsia parviflora
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Bastard Toadflax
Comandra umbellata
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Bastard Toad Flax
Comandra umbellata ssp. californica
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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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King's Bird's-beak
Cordylanthus kingii
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Heller's Bird's-beak
Cordylanthus kingii ssp. helleri
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Bushy Bird's Beak
Cordylanthus ramosus
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Slender Bird's Beak
Cordylanthus tenuis
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Scrambled Eggs
Corydalis aurea
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Tapertip Hawksbeard
Crepis acuminata
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Baker's Hawksbeard
Crepis bakeri
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Limestone Hawksbeard
Crepis intermedia
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Modoc Hawksbeard
Crepis modocensis
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Western Hawksbeard
Crepis occidentalis
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Hall's Meadow Hawksbeard
Crepis runcinata ssp. hallii
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Spring Gold
Crocidium multicaule
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Rock Crossosoma
Crossosoma bigelovii
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California Croton
Croton californicus
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Wilkes' Cryptantha
Cryptantha ambigua