Kellogg's Horkelia
Horkelia cuneata var. sericea
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Carrotleaf Horkelia
Horkelia daucifolia
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Carrotleaf Honeydew
Horkelia daucifolia var. daucifolia
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Jepson's Horkelia
Horkelia daucifolia var. indicta
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Pinewoods Horkelia
Horkelia fusca
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Horkelia fusca var. brownii
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Smallflower Horkelia
Horkelia fusca var. parviflora
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Littlehead Horkelia
Horkelia fusca var. pseudocapitata
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Pinewoods Horkelia
Horkelia fusca var. tenella
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Henderson's Horkelia
Horkelia hendersonii
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White Mountains Horkelia
Horkelia hispidula
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Howell's Horkelia
Horkelia howellii
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Point Reyes Horkelia
Horkelia marinensis
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Parry's Horkelia
Horkelia parryi
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Rydberg's Horkelia
Horkelia rydbergii
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Silky Horkelia
Horkelia sericata
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Thin-lobed Horkelia
Horkelia tenuiloba
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Threetooth Horkelia
Horkelia tridentata
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Threetooth Horkelia
Horkelia tridentata var. flavescens
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Threetooth Horkelia
Horkelia tridentata var. tridentata
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Ramona Horkelia
Horkelia truncata
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Kern Plateau Horkelia
Horkelia tularensis
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Barton Flats Horkelia
Horkelia wilderae
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Santa Lucia Horkelia
Horkelia yadonii
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Congdon's False Horkelia
Horkeliella congdonis
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Purple False Horkelia
Horkeliella purpurascens
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Pink Velvet-mallow
Horsfordia alata
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Newberry's Velvet-mallow
Horsfordia newberryi
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Buck Lotus
Hosackia crassifolia
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Big Deervetch
Hosackia crassifolia var. crassifolia
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Otay Mtn. Lotus
Hosackia crassifolia var. otayensis
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Seaside Bird's Foot Trefoil
Hosackia gracilis
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Woolly Bird's-foot Trefoil
Hosackia incana
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Streambank Lotus
Hosackia oblongifolia
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Copper-flowered Bird's-foot Trefoil
Hosackia oblongifolia var. cuprea
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Narrow-leaved Lotus
Hosackia oblongifolia var. oblongifolia
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Meadow Birdsfoot Trefoil
Hosackia pinnata
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Rosy Birdsfoot Trefoil
Hosackia rosea
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Balsam Birdsfoot Trefoil
Hosackia stipularis
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Hosackia stipularis var. ottleyi
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Balsam Bird's-foot Trefoil
Hosackia stipularis var. stipularis
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Yolla Bolly Mtns. Bird's Foot Trefoil
Hosackia yollabolliensis
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Scott Mountain Phacelia
Howellanthus dalesianus
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Water Howellia
Howellia aquatilis
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Pacific Hulsea
Hulsea algida
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Shortleaved Hulsea
Hulsea brevifolia
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San Diego Sunflower
Hulsea californica
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Red Rayed Hulsea
Hulsea heterochroma
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Mexican Hulsea
Hulsea mexicana
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Little Hulsea
Hulsea nana
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Pumice Alpinegold
Hulsea vestita
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Beautiful Hulsea
Hulsea vestita ssp. callicarpha
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San Gabriel Mountains Sunflower
Hulsea vestita ssp. gabrielensis
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Inyo Hulsea
Hulsea vestita ssp. inyoensis
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Parry's Sunflower
Hulsea vestita ssp. parryi
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Pygmy Hulsea
Hulsea vestita ssp. pygmaea
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Pumice Alpinegold
Hulsea vestita ssp. vestita
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Floating Marsh Pennywort
Hydrocotyle ranunculoides
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Marsh Pennywort
Hydrocotyle umbellata
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Whorled Marsh Pennywort
Hydrocotyle verticillata