Awlfruit Sedge
Carex stipata
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Awl-fruited Sedge
Carex stipata var. stipata
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Small Bract Sedge
Carex subbracteata
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Rusty Slender Sedge
Carex subfusca
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Tehachapi Rusty Sedge
Carex subfusca 'Tehachapi'
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Dark Mountain Sedge
Carex subnigricans
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Lateral Sedge
Carex unilateralis
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Foetid Sedge
Carex vernacula
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Blister Sedge
Carex vesicaria
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Little Green Sedge
Carex viridula
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Johnny-nip
Castilleja ambigua
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Johnny-nip
Castilleja ambigua ssp. ambigua
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Humboldt Bay Owl's-clover
Castilleja ambigua ssp. humboldtiensis
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Johnny-nip
Castilleja ambigua ssp. insalutata
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Vernal Pool Indian Paintbrush
Castilleja campestris
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Vernal Pool Indian Paintbrush
Castilleja campestris ssp. campestris
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Succulent Owl's-clover
Castilleja campestris ssp. succulenta
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Lemmon's Indian Paintbrush
Castilleja lemmonii
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Scarlet Paintbrush
Castilleja miniata
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Siskiyou Paintbrush
Castilleja miniata ssp. elata
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Giant Red Indian Paintbrush
Castilleja miniata ssp. miniata
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Lesser Indian Paintbrush
Castilleja minor
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Lesser Paintbrush
Castilleja minor ssp. minor
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Annual Indian Paintbrush
Castilleja minor ssp. spiralis
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Hairy Indian Paintbrush
Castilleja tenuis
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Western Hackberry
Celtis reticulata
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Parry Spikeweed
Centromadia parryi
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Common Spikeweed
Centromadia pungens
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Common Spikeweed
Centromadia pungens ssp. pungens
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California Buttonbush
Cephalanthus occidentalis
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Field Mouse-ear
Cerastium arvense
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Hornwort
Ceratophyllum demersum
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Pebble Pincushion
Chaenactis carphoclinia
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Fireweed
Chamerion angustifolium ssp. canescens
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River Beauty
Chamerion latifolium
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Fremont's Goosefoot
Chenopodium fremontii
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Oak-leaved Goosefoot
Chenopodium glaucum
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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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Salt Marsh Bird's Beak
Chloropyron maritimum
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Saltmarsh Bird's Beak
Chloropyron maritimum ssp. canescens
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Diffuse Spineflower
Chorizanthe diffusa
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Western Water Hemlock
Cicuta douglasii
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Wood Reedgrass
Cinna latifolia
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Enchanter's Nightshade
Circaea alpina
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Small Enchanter's Nightshade
Circaea alpina ssp. pacifica
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Douglas' Thistle
Cirsium douglasii
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Douglas' Thistle
Cirsium douglasii var. breweri
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Douglas' Thistle
Cirsium douglasii var. douglasii
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Fountain Thistle
Cirsium fontinale
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Suisun Thistle
Cirsium hydrophilum
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Mojave Thistle
Cirsium mohavense
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Desert Cistanthe
Cistanthe ambigua
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Heartleaf Springbeauty
Claytonia cordifolia
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Peirson's Spring Beauty
Claytonia lanceolata
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Sierra Spring Beauty
Claytonia nevadensis
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Candy Flower
Claytonia sibirica