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Plants Lewis & Clark Collected in Montana
These plants are now housed in the Lewis & Clark Herbarium at the Academy of Natural Sciences in Philadelphia. Species are listed according to the approximate date collected.
| Scientific Name | Common Name | Date Collected | Captain and Place Collected |
|---|---|---|---|
| Ribes aureum | golden currant | July 29, 1805 | Lewis: vicinity of Three Forks, Gallatin County |
| Lewisia rediviva | bitterroot | July 1 or 2, 1806 | Lewis: along Lolo Creek near Travelers' Rest, Missoula County |
| Orthocarpus tenuifolius | thin-leaved owl clover | July 1 or 2, 1806 | Lewis: Bitterroot Valley near Travelers' Rest, Missoula County |
| Populus balsamifera ssp. trichocarpa | black cottonwood | July 1 or 2, 1806 | Lewis: Bitteroot River near Travelers' Rest, Missoula County |
| Trifolium microcephalum | littlehead clover | July 1 or 2, 1806 | Lewis: Bitteroot Valley near Travelers' Rest, Missoula County |
| Mimulus guttatus | common monkeyflower | July 4, 1806 | Lewis: Blackfoot River, Missoula County |
| Philadelphus lewisii | Lewis’s mockorange; syringa | July 4, 1806 | Lewis: along the Clark Fork River, Missoula County |
| Iris missouriensis | Rocky Mountain iris | July 5 or 6, 1806 | Lewis: "Prairie of the Knobs", Ovando Valley, Powell County |
| Dasiphora (Potentilla) fruticosa | shrubby cinquefoil | July 6, 1806 | Lewis: "Prairie of the Knobs", Ovando Valley, Powell County |
| Elaeagnus commutata | American silverberry | July 6, 1806 | Lewis: "Prairie of the Knobs", Ovando Valley, Powell County |
| Oxytropis besseyi | Bessey’s locoweed | July 6, 1806 | Lewis: along the Blackfoot River, Powell County |
| Pedicularis cystopteridifolia | fern-leaf lousewort | July 6, 1806 | Lewis: along the Blackfoot River, Powell County |
| Pedicularis groenlandica | elephanthead pedicularis | July 6, 1806 | Lewis: along the Blackfoot River, Powell County |
| Purshia tridentata | bitterbrush | July 6, 1806 | Lewis: "Prairie of the Knobs", Ovando Valley, Powell County |
| Balsamorhiza sagittata | arrow-leaf balsamroot | July 7, 1806 | Lewis: Lewis & Clark Pass, Lewis & Clark County |
| Gaillardia aristata | blanket flower | July 7, 1806 | Lewis: west of Lewis & Clark Pass, Powell-Lewis & Clark Co. |
| Juniperus communis var. depressa | common juniper | July 7, 1806 | Lewis: Lewis & Clark Pass, Lewis & Clark County, or Clark: Gibbons Pass area, Ravalli-Beaverhead County line |
| Lonicera involucrata | twin-berry honeysuckle | July 7, 1806 | Lewis: along Blackfoot River, Lewis & Clark County, or Clark: Big Hole Valley, Beaverhead County |
| Lupinus argenteus | silvery lupine | July 7, 1806 | Lewis: along Blackfoot River to Lewis & Clark Pass, Lewis & Clark County |
| Lupinus sericeus | silky lupine | July 7, 1806 | Lewis: possibly along Blackfoot River west of Lewis & Clark Pass, Lewis & Clark County |
| Zigadenus elegans | mountain death camas | July 7, 1806 | Lewis: Blackfoot River west of Lewis & Clark Pass, Lewis & Clark County |
| Hesperostipa (Stipa) comata | needle-and-thread grass | July 8, 1806 | Lewis: between the Dearborn and Sun Rivers, Lewis & Clark County, or Clark: Beaverhead River, Beaverhead County |
| Linum lewisii | Lewis’ blue flax | July 9, 1806 | Lewis: vicinity of Sun River, Lewis & Clark-Cascade County, or Clark: Camp Fortunate, Beaverhead County |
| Hordeum jubatum | foxtail barley | July 12, 1806 | Lewis: on White Bear Island, Missouri River, Cascade County |
| Oenothera caespitosa | gumbo evening primrose | July 17, 1806 | Lewis: Great Falls area, Cascade County |
| Atriplex gardneri (A. nuttallii) | Gardner’s saltbush | July 20, 1806 | Lewis: below forks of Marias River, Toole County |
| Sarcobatus vermiculatus | greasewood | July 20, 1806 | Lewis: probably along Marias River, Toole County |
| Sphaeralcea coccinea | scarlet globemallow | July 20, 1806 | Lewis: along Marias River, Toole County |
| Dalea (Petalostemon) purpurea | purple prairie clover | July 22, 1806 | Lewis: Camp Disappointment, Cut Bank Creek, Glacier County |
| Euphorbia marginata | snow-on-the-mountain | July 28, 1806 | Clark: along the Yellowstone River, Rosebud County |
| Sedum stenopetalum | Worm-leaved Stonecrop | July 1, 1806 | Lewis: Traveler's Rest, Missoula, Missoula County |
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