Nuttall's Scrub Oak
Quercus dumosa
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Leather Oak
Quercus durata
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Leather Oak
Quercus durata var. durata
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Engelmann Oak
Quercus engelmannii
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Garry's Oak
Quercus garryana
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Garry's Oak
Quercus garryana var. breweri
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Oregon White Oak
Quercus garryana var. garryana
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Black Oak
Quercus kelloggii
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Valley Oak
Quercus lobata
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Desert Oak
Quercus palmeri
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Santa Cruz Island Oak
Quercus parvula
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Santa Cruz Island Oak
Quercus parvula var. parvula
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Shreve Oak
Quercus parvula var. shrevei
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Island Oak
Quercus tomentella
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Grey Oak
Quercus turbinella
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Interior Live Oak
Quercus wislizeni
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Interior Live Oak
Quercus wislizeni var. frutescens
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Interior Live Oak
Quercus wislizeni var. wislizeni
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California Plumseed
Rafinesquia californica
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New Mexico Plumseed
Rafinesquia neomexicana
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Alisma Leaved Buttercup
Ranunculus alismifolius
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California Buttercup
Ranunculus californicus
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Desert Buttercup
Ranunculus cymbalaria
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Smooth Buttercup
Ranunculus glaberrimus
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Lobb's Buttercup
Ranunculus lobbii
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Western Buttercup
Ranunculus occidentalis
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Little Sur Coffeeberry
Rhamnus californica 'Little Sur'
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Spiny Redberry
Rhamnus crocea
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Hollyleaf Redberry
Rhamnus ilicifolia
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Hairyleaf Redberry
Rhamnus pilosa
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California Milkwort
Rhinotropis californica
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Sierra Milkwort
Rhinotropis cornuta
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Sierra Milkwort
Rhinotropis cornuta var. cornuta
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Ledge Stonecrop
Rhodiola integrifolia
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Western Azalea
Rhododendron occidentale var. paludosum
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Sonoma Azalea
Rhododendron occidentale var. sonomense
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Fragrant Sumac
Rhus aromatica
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skunk bush
Rhus aromatica var. trilobata
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Lemonade Berry
Rhus integrifolia
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Sugar Bush
Rhus ovata
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Bitter Gooseberry
Ribes amarum
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Golden Currant
Ribes aureum
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Golden Currant
Ribes aureum var. aureum
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Golden Currant
Ribes aureum var. gracillimum
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Hillside Gooseberry
Ribes californicum var. hesperium
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Wax Currant
Ribes cereum
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Wax Currant
Ribes cereum var. cereum
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Spreading Gooseberry
Ribes divaricatum
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Straggly Gooseberry
Ribes divaricatum var. pubiflorum
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White Flowering Currant
Ribes indecorum
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Whitestem Gooseberry
Ribes inerme
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Whitestem Gooseberry
Ribes inerme var. inerme
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Whitestem Gooseberry
Ribes inerme var. klamathense
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Chaparral Currant
Ribes malvaceum
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Christy Ridge Chaparral Currant
Ribes malvaceum 'Christy Ridge'
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Dancing Tassles Currant
Ribes malvaceum 'Dancing Tassels'
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White chaparral currant
Ribes malvaceum 'Rana White'
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Rinconada Rose Chaparral Currant
Ribes malvaceum 'Rinconada Rose'
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Chaparral Currant
Ribes malvaceum var. viridifolium
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Ortega Beauty Chaparral Currant
Ribes malvaceum var. viridifolium 'Ortega Beauty'