Sticky Geraea
Geraea viscida
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Carolina Crane's-bill
Geranium carolinianum
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California Gilia
Gilia achilleifolia
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Chaparral Gilia
Gilia angelensis
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Southwestern Gilia
Gilia austro-occidentalis
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Blue Field Gilia
Gilia capitata
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Coastal Gilia
Gilia diegensis
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Fine Flower Gilia
Gilia leptantha
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Volcanic Gilia
Gilia ochroleuca
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San Gabriel Bluecup
Githopsis diffusa
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San Gabriel Bluecup
Githopsis diffusa ssp. diffusa
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San Gabriel Bluecup
Githopsis diffusa ssp. robusta
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Common Bluecup
Githopsis specularioides
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Wild Licorice
Glycyrrhiza lepidota
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Western Marsh Cudweed
Gnaphalium palustre
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Bractless Hedge-hyssop
Gratiola ebracteata
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Great Valley Gumweed
Grindelia camporum
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California Matchweed
Gutierrezia californica
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Orcutt's Bristleweed
Hazardia orcuttii
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Sawtooth Goldenbush
Hazardia squarrosa
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Saw Toothed Goldenbush
Hazardia squarrosa var. grindelioides
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California Helianthella
Helianthella californica
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Diablo Helianthella
Helianthella castanea
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Serpentine Sunflower
Helianthus bolanderi
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Serpentine Sunflower
Helianthus exilis
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Slender Sunflower
Helianthus gracilentus
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Seaside Heliotrope
Heliotropium curassavicum
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Heliotrope
Heliotropium curassavicum var. occulatum
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Cow Parsnip
Heracleum maximum
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Baker's Cypress
Hesperocyparis bakeri
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Tecate Cypress
Hesperocyparis forbesii
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McNab Cypress
Hesperocyparis macnabiana
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Sargent's Cypress
Hesperocyparis sargentii
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California Dwarf-flax
Hesperolinon californicum
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Allen Springs Dwarf-flax
Hesperolinon clevelandii
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Smallflower Dwarf-flax
Hesperolinon micranthum
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Slender Dwarf-flax
Hesperolinon spergulinum
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Narrow-leaved Meconella
Hesperomecon linearis
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Chaparral Yucca
Hesperoyucca whipplei
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Rareflower Heterocodon
Heterocodon rariflorum
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Toyon
Heteromeles arbutifolia
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Golden Berry Toyon
Heteromeles arbutifolia 'Davis Gold'
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Oregon False Goldenaster
Heterotheca oregona
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False Goldenaster
Heterotheca sessiliflora
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Hairy False Goldenaster
Heterotheca villosa
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San Bruno Mountain Hairy Golden Aster
Heterotheca villosa 'San Bruno Mountain'
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Island Alum Root
Heuchera maxima
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Pink Alumroot
Heuchera rubescens
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Yosemite Pink Alumroot
Heuchera rubescens 'Yosemite'
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Western Hawkweed
Hieracium scouleri
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Common Mares Tail
Hippuris vulgaris
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Leather Root
Hoita macrostachya
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Round Leaved Psoralea
Hoita orbicularis
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Ocean Spray
Holodiscus discolor
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Meadow Barley
Hordeum brachyantherum
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Meadow Barley
Hordeum brachyantherum ssp. brachyantherum
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California Meadow Barley
Hordeum brachyantherum ssp. californicum
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California Horkelia
Horkelia californica var. frondosa
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Wedge Leaf Horkelia
Horkelia cuneata
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Coast Horkelia
Horkelia cuneata var. cuneata