Brenda Butner Baja Nightshade
Solanum hindsianum 'Brenda Butner'
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Bluewitch Nightshade
Solanum umbelliferum
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Indian's Grey Blue Witch
Solanum umbelliferum 'Indian's Grey'
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Mt Diablo Blue Witch Nightshade
Solanum umbelliferum 'Mt Diablo'
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Spring Frost Blue Witch
Solanum umbelliferum 'Spring Frost'
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Indian Gray Nightshade
Solanum umbelliferum var. incanum 'Indian Grey'
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Parish's Nightshade
Solanum umbelliferum var. spencerae
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Catalina Nightshade
Solanum umbelliferum var. wallacei
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Purple Nightshade
Solanum umbelliferum var. xanti
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Mountain Pride Blue Witch
Solanum xanti 'Mountain Pride'
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Navajo Creek Blue Witch
Solanum xanti 'Navajo Creek'
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Otay Mountain Blue Witch
Solanum xanti 'Otay Mountain'
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Southern Goldenrod
Solidago confinis
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Canadian Goldenrod
Solidago elongata
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Guirado's Goldenrod
Solidago guiradonis
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Canada Goldenrod
Solidago lepida
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Rough Canada Goldenrod
Solidago lepida var. salebrosa
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Rocky Mountain Goldenrod
Solidago multiradiata
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Coast Goldenrod
Solidago spathulata
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Showy Goldenrod
Solidago spectabilis
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Threenerve Goldenrod
Solidago velutina
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California Goldenrod
Solidago velutina ssp. californica
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Great Basin Goldenrod
Solidago velutina ssp. sparsiflora
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Cascade Popcornflower
Sonnea hispida
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California Mountain Ash
Sorbus californica
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Mountain Ash
Sorbus scopulina
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Western Mountain Ash
Sorbus sitchensis
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Dwarf
Sorbus sitchensis var. grayi
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Sitka Mountain Ash
Sorbus sitchensis var. sitchensis
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Narrowleaf Bur Reed
Sparganium angustifolium
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Emersed Bur Reed
Sparganium emersum
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Broadfruit Bur-reed
Sparganium eurycarpum
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Bur Reed
Sparganium eurycarpum var. eurycarpum
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Simplestem Bur Reed
Sparganium eurycarpum var. greenei
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Small Bur-reed
Sparganium natans
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Black Seed Sand-spurrey
Spergularia atrosperma
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Canadian Sandspurry
Spergularia canadensis
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Western Sand-spurrey
Spergularia canadensis var. occidentalis
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Large Flowered Sand Spurry
Spergularia macrotheca
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Spergularia macrotheca var. leucantha
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Sticky Sandspurry
Spergularia macrotheca var. longistyla
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Sand Spurrey
Spergularia macrotheca var. macrotheca
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Saltmarsh Sand-spurrey
Spergularia marina
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Bristly Scaleseed
Spermolepis echinata
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Desert Globemallow
Sphaeralcea ambigua
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Louis Hamilton Desert Mallow
Sphaeralcea ambigua 'Louis Hamilton'
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Mountain Apricot Mallow
Sphaeralcea ambigua var. ambigua
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Rosy Apricot Mallow
Sphaeralcea ambigua var. rosacea
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Apricot Mallow
Sphaeralcea ambigua var. rugosa
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Copper Globe Mallow
Sphaeralcea angustifolia
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Coulter's Globemallow
Sphaeralcea coulteri
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Emory's Globemallow
Sphaeralcea emoryi
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Emory's Globemallow
Sphaeralcea emoryi var. emoryi
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La Luna Desert Mallow
Sphaeralcea fulva 'La Luna'
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Gooseberryleaf Globemallow
Sphaeralcea grossulariifolia
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Munro's Globemallow
Sphaeralcea munroana
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Carrizo Mallow
Sphaeralcea orcuttii
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Rusby's Globemallow
Sphaeralcea rusbyi
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Rusby's Desert-mallow
Sphaeralcea rusbyi var. eremicola
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Gray Chickensage
Sphaeromeria cana