Snake River
Columbia or Walla Walla County, Washington
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Symphyotrichum eatonii (Gray) Nesom
Eaton's aster
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October 11, 1805
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Collected between October 11 - 20, 1805 along the Snake River, county uncertain. An image of the specimen in the Lewis and Clark herbarium. . . .
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Coreopsis tinctoria Nutt. var. atkinsoniana (Dougl. ex Lindl.) H.M.Parker ex E.B.Sm.
Atkinson's tickseed
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October 12, 1805
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An image of the specimen in the Lewis and Clark herbarium. . . .
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Salix amygdaloides Anderss.
peach-leaved willow
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October 12, 1805
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Along Snake river near Riparia
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Salix sp.
slender willow
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October 12, 1805
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Along Snake river near Riparia
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Machaeranthera canescens (Pursh) A.Gray var. incana (Lindl.) A.Gray
hoary tansyaster
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October 15, 1805
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Collected between 15 and 28 October 1805 "On the Columbia" An image of the specimen in the Lewis and Clark herbarium. . . .
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Ericameria nauseosa (Pall. ex Pursh) Nesom & Baird
rubber rabbitbrush
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October 15, 1805
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An image of the specimen in the Lewis and Clark herbarium. . . .
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Opuntia polyacantha Haw.
plains pricklypear
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October 16, 1805
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