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Lewis & Clark as Naturalists
The Collection: Locality Information Lewis and Clark as Naturalists

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Date: May 1806

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icon-4 Achillea millefolium L. var. occidentalis DC.
western yarrow

syn. Achillea angustissima Rydb.
syn. Achillea eradiata Piper
syn....  more>>

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icon-4 Allium tolmiei (Hook.) Baker ex S.Wats.
Tolm's onion
syn. Allium cusickii S. Wats.
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icon-4 Calochortus elegans Pursh
elegant mariposa lily

An image of the specimen in the Lewis and Clark herbarium. . . .

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icon-4 Chrysothamnus viscidiflorus (Hook.) Nutt.
yellow rabbitbrush

Collected along Clearwater River (Colter River to Lewis and Clark) between the Potlatch River and Pine ...  more>>

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icon-4 Clematis hirsutissima Pursh
hairy clematis

An image of the specimen in the Lewis and Clark herbarium. . . .

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icon-4 Erigeron compositus Pursh
cutleaf daisy
syn. Erigeron trifidus Hook.
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icon-4 Erythronium grandiflorum Pursh
yellow avalanche-lily

An image of the specimen in the Lewis and Clark herbarium. . . .

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icon-4 Frangula purshiana (DC.) Cooper
Pursh's buckthorn
syn. Rhamnus purshiana DC.
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icon-4 Fritillaria pudica (Pursh) Spreng.
yellow fritillary

syn. Lilium pudicum Pursh
syn. Ochrocodon pudicus (Pursh) Rydb.

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icon-4 Heracleum maximum Bartr.
common cowparsnip

This plant was not collected by Lewis and Clark, but is mentioned by them as a root eaten by the natives, although ...  more>>

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icon-4 Holodiscus discolor (Pursh) Maxim.

syn. Holodiscus boursieri (Carr.) Rehd.
syn. Holodiscus dumosus (Nutt. ex Hook.)...  more>>

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icon-4 Koeleria macrantha (Ledeb.) J.A.Schultes
prairie Junegrass

syn. Koeleria cristata auct. p.p. non Pers.
syn. Koeleria gracilis Pers.
syn....  more>>

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icon-4 Lomatium ambiguum (Nutt.) Coult. & Rose
Wyeth's biscuit root
syn. Peucedanum ambiguum (Nutt.) Nutt. ex Torr. & Gray
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icon-4 Lomatium triternatum (Pursh) Coult. & Rose
nineleaf biscuitroot

syn. Cogswellia triternata (Pursh) M.E.Jones
syn. Eulophus triternatus (Pursh) Nutt.
syn....  more>>

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icon-2 Oncorhynchus mykiss Walbaum
rainbow trout, redband trout, steelhead

Capt. Clark, October 26, 1805-- ..one man giged a Salmon Trout which we had fried in a ...  more>>

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icon-4 Pedicularis groenlandica Retz.
elephanthead lousewort

syn. Elephantella groenlandica (Retz.) Rydb.
syn. Pedicularis groenlandica Retz....  more>>

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icon-4 Penstemon wilcoxii Rydb.
Wilcox's beardtongue
syn. Penstemon ovatus Dougl. ex Hook. var. pinetorum Piper
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icon-4 Philadelphus lewisii Pursh
Lewis' mock orange
syn. Philadelphus gordonianus Lindl.
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icon-4 Phlox speciosa Pursh
showy phlox
syn. Phlox speciosa Pursh var. occidentalis (Dur. ex Torr.) M.E. Peck
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icon-5 Phrynosoma douglasii Bell
pygmy short-horned lizard, short-horned lizard


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icon-4 Prunus emarginata (Dougl. ex Hook.) Walp.
bitter cherry
syn. Prunus emarginata var. crenulata (Greene) Kearney & Peebles
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icon-4 Prunus virginiana L.

Capt. Clark, May 29, 1806--The Choke Cherry has been in blume since the 20th inst. ...  more>>

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icon-6 Pseudacris regilla Baird and Girard
Pacific chorus frog, Pacific treefrog
Capt. Lewis, May 30, 1806--...a smal green tree-frog...
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icon-6 Rana pretosia Baird and Girard
Oregon spotted frog
Capt. Lewis, May 30, 1806--...a large speceis of frog which resorts the water considerably ...  more>>
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icon-3 Spermophilus columbianus
Columbian Ground Squirrel

Capt. Lewis, May 27, 1806--There is a speceis of Burrowing squirel common in these plains which in ...  more>>

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icon-1 Strix nebulosa
Great Gray Owl

Capt. Clark, May 23, 1806--our hunters brought us a large hooting which differ from those of the ...  more>>

Image Display <EM>Frangula purshiana </EM>(DC.) Cooper
Frangula purshiana (DC.) Cooper

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