Calico Cactus
Echinocereus engelmannii
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Engelmann's Hedgehog Cactus
Echinocereus engelmannii var. acicularis
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Engelmann's Hedgehog Cactus
Echinocereus engelmannii var. armatus
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Engelmann's Hedgehog Cactus
Echinocereus engelmannii var. chrysocentrus
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Three Spine Hedgehog Cactus
Echinocereus mojavensis
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Ear Drops
Ehrendorferia chrysantha
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Chilean Waterwort
Elatine chilensis
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California Bottle Brush Grass
Elymus californicus
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Great Basin Wild Rye
Elymus cinereus
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Giant Wildrye
Elymus condensatus
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Canyon Prince Wild Rye
Elymus condensatus 'Canyon Prince'
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Gaviota Gray Giant Wild Rye
Elymus condensatus 'Gaviota Gray'
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Bottlebrush Squirreltail
Elymus elymoides
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Blue Wildrye
Elymus glaucus
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Western Rye Grass
Elymus glaucus ssp. glaucus
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Blue Wildrye
Elymus glaucus ssp. virescens
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Thickspike Wheatgrass
Elymus lanceolatus
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Streambank Wheatgrass
Elymus lanceolatus ssp. lanceolatus
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Big Squirreltail
Elymus multisetus
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False Wheatgrass
Elymus spicatus
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Creeping Wild Rye
Elymus triticoides
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Grey Dawn Creeping Wild Rye
Elymus triticoides 'Grey Dawn'
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Western Rue-anemone
Enemion occidentale
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Siskiyou Rue-anemone
Enemion stipitatum
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Mountain Ephedra
Ephedra viridis
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Panicled Willow Herb
Epilobium brachycarpum
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Smooth Boisduvalia
Epilobium campestre
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California Fuchsia
Epilobium canum
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Everett's Choice California Fuchsia
Epilobium canum 'Everett's Choice'
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Marin Pink California Fuchsia
Epilobium canum 'Marin Pink'
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Sierra Salmon California Fuchsia
Epilobium canum 'Sierra Salmon'
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Epilobium canum ssp. garrettii
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Northern Willow Herb
Epilobium ciliatum
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Selfing Willowherb
Epilobium cleistogamum
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Denseflower Willowherb
Epilobium densiflorum
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Little Willowherb
Epilobium minutum
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Largeflower Spike-primrose
Epilobium pallidum
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Torrey's Willowherb
Epilobium torreyi
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Stream Orchid
Epipactis gigantea
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Serpentine Night Stream Orchid
Epipactis gigantea 'Serpentine Night'
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Common Horsetail
Equisetum arvense
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Scouring Rush Horsetail
Equisetum hyemale
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Scouring Rush Horsetail
Equisetum hyemale ssp. affine
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Horsetail
Equisetum laevigatum
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Giant Horsetail
Equisetum telmateia
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Giant Horsetail
Equisetum telmateia ssp. braunii
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Parry's Mallow
Eremalche parryi ssp. parryi
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Prickly Sandwort
Eremogone aculeata
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Ballhead Sandwort
Eremogone congesta
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Eremogone macradenia
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Booth's Evening Primrose
Eremothera boothii
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Long-capsule Suncup
Eremothera chamaenerioides
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Shrubby Eriastrum
Eriastrum densifolium
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Miniature Eriastrum
Eriastrum diffusum
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Desert Woolstar
Eriastrum eremicum
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Desert Woolstar
Eriastrum eremicum ssp. eremicum
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Many Flowered Eriastrum
Eriastrum pluriflorum
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Sapphire Woollystar
Eriastrum sapphirinum
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Wilcox's Woollystar
Eriastrum wilcoxii
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Golden Fleece
Ericameria arborescens