Mt. Pinos Onion
Allium howellii var. clokeyi
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Howell's Onion
Allium howellii var. howellii
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Glassy Onion
Allium hyalinum
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Jepson's Onion
Allium jepsonii
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Pitted Onion
Allium lacunosum
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Pitted Onion
Allium lacunosum var. davisiae
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Kern's Pitted Onion
Allium lacunosum var. kernense
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Pitted Onion
Allium lacunosum var. lacunosum
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Pitted Onion
Allium lacunosum var. micranthum
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Lemmon's Onion
Allium lemmonii
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Yucaipa Onion
Allium marvinii
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Papery Onion
Allium membranaceum
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San Bernardino Mountains Onion
Allium monticola
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Munz's Onion
Allium munzii
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Nevada Onion
Allium nevadense
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Red Sierra Onion
Allium obtusum
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Red Sierra Onion
Allium obtusum var. conspicuum
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Red Sierra Onion
Allium obtusum var. obtusum
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Parish's Onion
Allium parishii
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Parry's Onion
Allium parryi
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Small Onion
Allium parvum
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Mexicali Onion
Allium peninsulare
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Franciscan Onion
Allium peninsulare var. franciscanum
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Penisula Onion
Allium peninsulare var. peninsulare
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Flat Stemmed Onion
Allium platycaule
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Early Onion
Allium praecox
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Sanborn's Onion
Allium sanbornii
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Congdon's Onion
Allium sanbornii var. congdonii
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Sanborn's Onion
Allium sanbornii var. sanbornii
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Jeweled Onion
Allium serra
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Sharsmith's Onion
Allium sharsmithiae
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Spanish Needle Onion
Allium shevockii
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Siskiyou Onion
Allium siskiyouense
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Tolmie's Onion
Allium tolmiei
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Tolm's Onion
Allium tolmiei var. tolmiei
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Three-bracted Onion
Allium tribracteatum
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Rawhide Hill Onion
Allium tuolumnense
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One Leaf Onion
Allium unifolium
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Pacific Mountain Onion
Allium validum
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Yosemite Onion
Allium yosemitense
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Alkali Marsh Aster
Almutaster pauciflorus
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Gray Alder
Alnus incana
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Mountain Alder
Alnus incana ssp. tenuifolia
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White Alder
Alnus rhombifolia
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Red Alder
Alnus rubra
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Green Alder
Alnus viridis
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Sitka Alder
Alnus viridis ssp. sinuata
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Wright's Beebrush
Aloysia wrightii
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Procumbent Pigweed
Amaranthus blitoides
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Californian Amaranth
Amaranthus californicus
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Fringed Amaranth
Amaranthus fimbriatus
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Palmer's Amaranth
Amaranthus palmeri
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Powell's Amaranth
Amaranthus powellii
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Torrey's Amaranth
Amaranthus torreyi
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Watson's Amaranth
Amaranthus watsonii
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Annual Bursage
Ambrosia acanthicarpa
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Ambrosia Bursage
Ambrosia ambrosioides
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Beach Bur
Ambrosia chamissonis
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San Diego Bursage
Ambrosia chenopodiifolia
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Weakleaf Bur Ragweed
Ambrosia confertiflora