Slender Wheatgrass
Elymus trachycaulus
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Slender Wheatgrass
Elymus trachycaulus ssp. trachycaulus
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Creeping Wild Rye
Elymus triticoides
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Smooth Boisduvalia
Epilobium campestre
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Northern Willow Herb
Epilobium ciliatum
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Fringed Willowherb
Epilobium ciliatum ssp. ciliatum
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Fringed Willowherb
Epilobium ciliatum ssp. glandulosum
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Fringed Willowherb
Epilobium ciliatum ssp. watsonii
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Talus Willowherb
Epilobium clavatum
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Selfing Willowherb
Epilobium cleistogamum
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Glaucous Willowherb
Epilobium glaberrimum
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Glaucus Willowherb
Epilobium glaberrimum ssp. fastigiatum
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Glaucus Willowherb
Epilobium glaberrimum ssp. glaberrimum
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Hornemann's Willowherb
Epilobium hornemannii
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Hornemann's Willowherb
Epilobium hornemannii ssp. hornemannii
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Milkflower Willowherb
Epilobium lactiflorum
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Oregon Willowherb
Epilobium oregonense
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Rocky Mountain Willowherb
Epilobium saximontanum
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Common Horsetail
Equisetum arvense
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Scouring Rush Horsetail
Equisetum hyemale
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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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Creeping Love Grass
Eragrostis hypnoides
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Mexican Lovegrass
Eragrostis mexicana
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Mexican Love Grass
Eragrostis mexicana ssp. mexicana
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Chilean Love Grass
Eragrostis mexicana ssp. virescens
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Tufted Lovegrass
Eragrostis pectinacea
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Gulf Love Grass
Eragrostis pectinacea var. miserrima
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Carolina Love Grass
Eragrostis pectinacea var. pectinacea
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Rubber Rabbitbrush
Ericameria nauseosa
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Horseweed
Erigeron canadensis
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Coulter's Fleabane
Erigeron coulteri
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Subalpine Fleabane
Erigeron glacialis
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Wandering Daisy
Erigeron glacialis var. glacialis
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Erigeron glacialis var. hirsutus
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Short-rayed Fleabane
Erigeron lonchophyllus
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Philadelphia Fleabane
Erigeron philadelphicus
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Southwestern Cup Grass
Eriochloa acuminata var. acuminata
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Jepson's Button Celery
Eryngium aristulatum
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California Eryngo
Eryngium aristulatum var. aristulatum
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Coastal Button-celery
Eryngium armatum
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Beethistle
Eryngium articulatum
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Great Valley Coyote-thistle
Eryngium castrense
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Jepson's Eryngo
Eryngium jepsonii
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Mathias' Button-celery
Eryngium mathiasiae
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Coyotethistle
Eryngium vaseyi
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Scarlet Monkeyflower
Erythranthe cardinalis
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Santa Cruz Island Scarlet Monkeyflower
Erythranthe cardinalis 'Santa Cruz Island Gold'
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Yellow Scarlet Monkeyflower
Erythranthe cardinalis 'Yellow'
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Seep Monkey Flower
Erythranthe guttata
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Lewis' Monkeyflower
Erythranthe lewisii
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Musk Flower
Erythranthe moschata
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Primrose Monkeyflower
Erythranthe primuloides
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Larger Mountain Monkeyflower
Erythranthe tilingii
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Mahogany Fawn Lily
Erythronium revolutum
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Catchfly Prairie Gentian
Eustoma exaltatum
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Western Goldenrod
Euthamia occidentalis
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California Saltbush
Extriplex californica
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Red Fescue
Festuca rubra