Dwarf Sand Verbena
Abronia nana
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Mojave Sand-verbena
Abronia pogonantha
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Transmontane Sand-verbena
Abronia turbinata
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Hairy Sand Verbena
Abronia villosa
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Palmer's Indian Mallow
Abutilon palmeri
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California Copperleaf
Acalypha californica
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Shockley's Goldenhead
Acamptopappus shockleyi
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Goldenhead
Acamptopappus sphaerocephalus
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Onyx Flower
Achyronychia cooperi
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Deer Plant
Acmispon glaber
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Common Deerweed
Acmispon glaber var. glaber
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Silky California Broom
Acmispon procumbens
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Shrubby Deervetch
Acmispon rigidus
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Hairy Lotus
Acmispon strigosus
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Cooper's Dyssodia
Adenophyllum cooperi
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San Felipe Dogweed
Adenophyllum porophylloides
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Desert Agave
Agave deserti
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Coastal Agave
Agave shawii
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Clark Mountain Agave
Agave utahensis
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Clark Mountain Agave
Agave utahensis var. nevadensis
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Pale Dandelion
Agoseris glauca
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Desert Pale Aliciella
Aliciella hutchinsifolia
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Broad-leaved Aliciella
Aliciella latifolia ssp. latifolia
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Sand Aliciella
Aliciella leptomeria
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Dainty Aliciella
Aliciella micromeria
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Water Plantain
Alisma triviale
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Trailing Windmills
Allionia incarnata
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Twin Leaved Onion
Allium anceps
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Dark Red Onion
Allium atrorubens
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Fringed Onion
Allium fimbriatum
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Mt. Pinos Onion
Allium howellii var. clokeyi
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Pitted Onion
Allium lacunosum var. davisiae
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Small Onion
Allium parvum
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Flat Stemmed Onion
Allium platycaule
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Tolmie's Onion
Allium tolmiei
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Tolm's Onion
Allium tolmiei var. tolmiei
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Wright's Beebrush
Aloysia wrightii
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Fringed Amaranth
Amaranthus fimbriatus
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Palmer's Amaranth
Amaranthus palmeri
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White Bursage
Ambrosia dumosa
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Woolly Bur-sage
Ambrosia eriocentra
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Holly-leaved Bur-sage
Ambrosia ilicifolia
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Cheesebush
Ambrosia salsola
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Fremont's Chaffbush
Amphipappus fremontii
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Great Basin Bulrush
Amphiscirpus nevadensis
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Common Fiddleneck
Amsinckia intermedia
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Bugloss-flowered Fiddleneck
Amsinckia lycopsoides
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Fiddleneck
Amsinckia tessellata
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Desert Fiddleneck
Amsinckia tessellata var. tessellata
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Green Fiddleneck
Amsinckia vernicosa
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Woolly Bluestar
Amsonia tomentosa
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Bushy Bluestem
Andropogon glomeratus
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Southwestern Bushy Bluestem
Andropogon glomeratus var. scabriglumis
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Tuber Anemone
Anemone tuberosa
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Poison Angelica
Angelica lineariloba
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Scale Bud
Anisocoma acaulis
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Low Pussytoes
Antennaria dimorpha
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Pinewoods Pussytoes
Antennaria geyeri
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Rush Pussytoes
Antennaria luzuloides
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Rush Pussytoes
Antennaria luzuloides ssp. aberrans