Plants by Watershed, Introduced, Family, Ecoregion, Plant Type, Native, Common Name where Weed includes Yes

Watershed: Malheur

Introduced: No Information

Grass

Snake River Plain - Treasure Valley

Grass

Native: No

rabbitsfoot Scientific Name Polypogon monspeliensis Family Grass Flower Color Yellowish Plant Type Grass Native No Watershed Malheur Weed Yes

rabbitsfoot Scientific Name Polypogon monspeliensis Family Grass Flower Color Yellowish Plant Type Grass Native No Watershed Malheur Weed Yes

Watershed: No Information

Introduced: Europe

Morningglory

Ecoregion: No Information

Herb

Native: No

field bindweed Scientific Name Convolvulus arvensis Family Morningglory Flower Color White/Purple Plant Type Herb Introduced Europe Native No Weed Yes

Teasel

Idaho Batholith - Foothill Shrublands-Grasslands

Shrub

Native: No Information

common teasel Scientific Name Dipsacus fullonum Family Teasel Flower Color Brown - purple Plant Type Shrub Introduced Europe Weed Yes

Introduced: North America

Composites, Sunflower

Worldwide

Forb

Native: No

common cockleburr Scientific Name Xanthium strumarium Family Composites, Sunflower Flower Color Green Plant Type Forb Introduced North America Native No Weed Yes

Introduced: Yes

Amaranth

Ecoregion: No Information

Herb

Native: No Information

tumble pigweed Scientific Name Amaranthus albus Family Amaranth Flower Color Green Plant Type Herb Short Description Amaranthus albus, tumble pigweed Introduced Yes Weed Yes

Buckwheat

Ecoregion: No Information

Forb

Native: No

black bindweed Scientific Name Polygonum convolvulus Family Buckwheat Plant Type Forb Introduced Yes Native No Weed Yes

climbing bindweed Scientific Name Polygonum convolvulus Family Buckwheat Plant Type Forb Introduced Yes Native No Weed Yes

ivy bindweed Scientific Name Polygonum convolvulus Family Buckwheat Plant Type Forb Introduced Yes Native No Weed Yes

knot bindweed Scientific Name Polygonum convolvulus Family Buckwheat Plant Type Forb Introduced Yes Native No Weed Yes

Composites, Sunflower

Ecoregion: No Information

Plant Type: No Information

Native: No Information

mayweed chamomile Scientific Name Anthemis cotula Family Composites, Sunflower Introduced Yes Weed Yes

stinking chamomile Scientific Name Anthemis cotula Family Composites, Sunflower Introduced Yes Weed Yes

Forb

Native: No

rush skeletonweed Scientific Name Chondrilla juncea Family Composites, Sunflower Flower Color Yellow Plant Type Forb Introduced Yes Native No Weed Yes

Native: No Information

musk thistle Scientific Name Carduus nutans Family Composites, Sunflower Flower Color Purple Plant Type Forb Introduced Yes Weed Yes

Herb

Native: No

compass plant Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes

prickly lettuce Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes

Shrub

Native: No

hardheads Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes

Russian knapweed Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes

Figwort or Snapdragon

Ecoregion: No Information

Herb

Native: No

moth mullein Scientific Name Verbascum blattaria Family Figwort or Snapdragon Flower Color White/Purple Plant Type Herb Introduced Yes Native No Weed Yes

Goosefoot

Snake River Plain - Unwooded Alkaline Foothills

Forb

Native: No

halogeton Scientific Name Halogeton glomeratus Family Goosefoot Flower Color Green-white Plant Type Forb Introduced Yes Native No Weed Yes

Grass

Ecoregion: No Information

Grass

Native: No

barnyard grass Scientific Name Echinochloa muricata Family Grass Flower Color Green Plant Type Grass Introduced Yes Native No Weed Yes

cheat grass Scientific Name Bromus tectorum Family Grass Flower Color Green Plant Type Grass Introduced Yes Native No Weed Yes

common rye Scientific Name Secale cereale Family Grass Plant Type Grass Introduced Yes Native No Weed Yes

downy brome Scientific Name Bromus tectorum Family Grass Flower Color Green Plant Type Grass Introduced Yes Native No Weed Yes

green foxtail Scientific Name Setaria viridis Family Grass Flower Color Green, mixed Plant Type Grass Introduced Yes Native No Weed Yes

hairy crabgrass Scientific Name Digitaria sanguinalis Family Grass Plant Type Grass Introduced Yes Native No Weed Yes

hare barley Scientific Name Hordeum leporinum Family Grass Plant Type Grass Introduced Yes Native No Weed Yes

mouse barley Scientific Name Hordeum leporinum Family Grass Plant Type Grass Introduced Yes Native No Weed Yes

wild barley Scientific Name Hordeum leporinum Family Grass Plant Type Grass Introduced Yes Native No Weed Yes

Native: No Information

creeping bentgrass Scientific Name Agrostis stolonifera Family Grass Plant Type Grass Short Description An introduced weed, sometimes used for lawns. Introduced Yes Weed Yes

Legume or Pea

Ecoregion: No Information

Forb

Native: No

white sweetclover Scientific Name Melilotus alba Family Legume or Pea Flower Color White Plant Type Forb Introduced Yes Native No Weed Yes

Herb

Native: No

yellow sweetclover Scientific Name Melilotus officinalis Family Legume or Pea Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes

Mint

Ecoregion: No Information

Forb

Native: No Information

henbit Scientific Name Lamium amplexicaule Family Mint Flower Color Purple Plant Type Forb Introduced Yes Weed Yes

henbit deadnettle Scientific Name Lamium amplexicaule Family Mint Flower Color Purple Plant Type Forb Introduced Yes Weed Yes

Mustard

Ecoregion: No Information

Forb

Native: No

black mustard Scientific Name Brassica nigra Family Mustard Flower Color Yellow Plant Type Forb Introduced Yes Native No Weed Yes

tall tumblemustard Scientific Name Sisymbrium altissimum Family Mustard Flower Color Yellowish Plant Type Forb Introduced Yes Native No Weed Yes

tumble mustard Scientific Name Sisymbrium altissimum Family Mustard Flower Color Yellowish Plant Type Forb Introduced Yes Native No Weed Yes

Potato

Ecoregion: No Information

Forb

Native: No

hairy night shade Scientific Name Solanum sarrachoides Family Potato Flower Color White Plant Type Forb Short Description There berries are Green, brown, and yellow when matured. Introduced Yes Native No Weed Yes

Shrub

Native: No

Jimsonweed Scientific Name Datura stramonium Family Potato Flower Color White/Purple Plant Type Shrub Introduced Yes Native No Weed Yes

Spurge

Ecoregion: No Information

Forb

Native: No Information

leafy spurge Scientific Name Euphorbia esula Family Spurge Flower Color Yellow Plant Type Forb Introduced Yes Weed Yes

petty spurge Scientific Name Euphorbia peplus Family Spurge Plant Type Forb Introduced Yes Weed Yes

Introduced: No Information

Amaranth

Ecoregion: No Information

Forb

Native: No Information

redroot pigweed Scientific Name Amaranthus retroflexus Family Amaranth Flower Color Green Plant Type Forb Weed Yes

Herb

Native: No Information

prostrate pigweed Scientific Name Amaranthus blitoides Family Amaranth Plant Type Herb Weed Yes

Buckwheat

Ecoregion: No Information

Forb

Native: No

Japanese knotweed Scientific Name Polygonum cuspidatum Family Buckwheat Plant Type Forb Native No Weed Yes

Native: Yes

smart weed Scientific Name Polygonum Family Buckwheat Flower Color Pink and Yellowish Plant Type Forb Native Yes Weed Yes

smartweed Scientific Name Polygonum Family Buckwheat Flower Color Pink and Yellowish Plant Type Forb Native Yes Weed Yes

water smartweed Scientific Name Polygonum coccineum Family Buckwheat Flower Color Pink Plant Type Forb Native Yes Weed Yes

Native: No Information

erect knotweed Scientific Name Polygonum argyrocoleon Family Buckwheat Flower Color Green Plant Type Forb Weed Yes

Buttercup

Ecoregion: No Information

Herb

Native: No

bur buttercup Scientific Name Ranunculus testiculatus Family Buttercup Flower Color Yellowish Plant Type Herb Native No Weed Yes

curveseed butterwort Scientific Name Ranunculus testiculatus Family Buttercup Flower Color Yellowish Plant Type Herb Native No Weed Yes

hornseed buttercup Scientific Name Ranunculus testiculatus Family Buttercup Flower Color Yellowish Plant Type Herb Native No Weed Yes

testiculate buttercup Scientific Name Ranunculus testiculatus Family Buttercup Flower Color Yellowish Plant Type Herb Native No Weed Yes

Butterfly bush

Ecoregion: No Information

Shrub

Native: No

butterfly bush Scientific Name Buddleja sp. Family Butterfly bush Plant Type Shrub Native No Weed Yes

Composites, Sunflower

Idaho Batholith - High Glacial Drift-Filled Valleys

Herb

Native: No

chicory Scientific Name Cichorium intybus Family Composites, Sunflower Flower Color Blue Plant Type Herb Location McCall Native No Weed Yes

dandelion Scientific Name Taraxacum officinale Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall Native No Weed Yes

Snake River Plain - Treasure Valley

Forb

Native: No

annual sowthistle Scientific Name Sonchus oleraceus Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes

Ecoregion: No Information

Plant Type: No Information

Native: No

devil's beggarticks Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes

leafy beggarticks Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes

leafy sticktight Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes

Native: No Information

spineless horsebrush Scientific Name Tetradymia canescens Family Composites, Sunflower Weed Yes

Forb

Native: No

common groundsel Scientific Name Senecio vulgaris Family Composites, Sunflower Flower Color White, yellow Plant Type Forb Native No Weed Yes

diffuse knapweed Scientific Name Centaurea diffusa Family Composites, Sunflower Flower Color Light Pink Plant Type Forb Native No Weed Yes

marshelder Scientific Name Iva xanthifolia Family Composites, Sunflower Plant Type Forb Native No Weed Yes

old-man-in-the-Spring Scientific Name Senecio vulgaris Family Composites, Sunflower Flower Color White, yellow Plant Type Forb Native No Weed Yes

spotted knapweed Scientific Name Centaurea maculosa Family Composites, Sunflower Plant Type Forb Native No Weed Yes

yellow starthistle Scientific Name Centaurea solstitialis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes

Native: North America

pineappleweed Scientific Name Matricaria matricarioides Family Composites, Sunflower Plant Type Forb Native North America Weed Yes

Native: Yes

rush skeletonplant Scientific Name Lygodesmia juncea Family Composites, Sunflower Flower Color Light purple Plant Type Forb Native Yes Weed Yes

Shrub

Native: Yes

green rabbitbrush Scientific Name Chrysothamnus viscidiflorus Family Composites, Sunflower Flower Color Yellowish Plant Type Shrub Short Description Yellow rabbitbrush is common in the intermountain west. It is an early succession plant following fire. Native Yes Weed Yes

yellow rabbitbrush Scientific Name Chrysothamnus viscidiflorus Family Composites, Sunflower Flower Color Yellowish Plant Type Shrub Short Description Yellow rabbitbrush is common in the intermountain west. It is an early succession plant following fire. Native Yes Weed Yes

Evening Primrose

Ecoregion: No Information

Forb

Native: Yes

small-flowered gaura Scientific Name Gaura mollis Family Evening Primrose Flower Color Pink, Green Plant Type Forb Native Yes Weed Yes

Native: No Information

panicle willowweed Scientific Name Epilobium brachycarpum Family Evening Primrose Flower Color Purple, white Plant Type Forb Weed Yes

Figwort or Snapdragon

Idaho Batholith - High Glacial Drift-Filled Valleys

Herb

Native: No

bread and butter Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes

butter and eggs Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes

Goosefoot

Ecoregion: No Information

Forb

Native: No

Russian thistle Scientific Name Salsola kali Family Goosefoot Flower Color Pink, purple Plant Type Forb Short Description A Eurasian annual weed of dry, often alkaline areas. Native No Weed Yes

tumbleweed Scientific Name Salsola kali Family Goosefoot Flower Color Pink, purple Plant Type Forb Short Description A Eurasian annual weed of dry, often alkaline areas. Native No Weed Yes

Grass

Ecoregion: No Information

Plant Type: No Information

Native: No Information

meadow foxtail Scientific Name Alopecurus pratensis Family Grass Weed Yes

Grass

Native: No

annual bluegrass Scientific Name Poa annua Family Grass Flower Color Green Plant Type Grass Native No Weed Yes

Horsetail

Ecoregion: No Information

Plant Type: No Information

Native: No Information

smooth scouring-rush Scientific Name Equisetum laevigatum Family Horsetail Weed Yes

Forb

Native: Yes

scouringrush Scientific Name Equisetum hyemale Family Horsetail Flower Color Brown Plant Type Forb Native Yes Weed Yes

Legume or Pea

Ecoregion: No Information

Plant Type: No Information

Native: No

black medic Scientific Name Medicago lupulina Family Legume or Pea Native No Weed Yes

Forb

Native: Yes

wild licorice Scientific Name Glycyrrhiza lepidota Family Legume or Pea Plant Type Forb Native Yes Weed Yes

Shrub - Tree

Native: Yes

false indigo Scientific Name Amorpha fruticosa Family Legume or Pea Flower Color Purple Plant Type Shrub - Tree Native Yes Weed Yes

indigo bush Scientific Name Amorpha fruticosa Family Legume or Pea Flower Color Purple Plant Type Shrub - Tree Native Yes Weed Yes

Madder

Idaho Batholith - High Glacial Drift-Filled Valleys

Herb

Native: No Information

bedstraw Scientific Name Galium boreale Family Madder Flower Color White Plant Type Herb Location McCall and many locations Weed Yes

cleavers Scientific Name Galium aparine Family Madder Plant Type Herb Location McCall Weed Yes

sweet woodruf Scientific Name Galium boreale Family Madder Flower Color White Plant Type Herb Location McCall and many locations Weed Yes

Ecoregion: No Information

Plant Type: No Information

Native: No Information

fragrant bedstraw Scientific Name Galium triflorum Family Madder Weed Yes

sweetscented bedstraw Scientific Name Galium triflorum Family Madder Weed Yes

Mallow

Ecoregion: No Information

Plant Type: No Information

Native: No Information

alkali mallow Scientific Name Malvella leprosa Family Mallow Weed Yes

Herb

Native: No

cheeseweed Scientific Name Malva neglecta Family Mallow Flower Color Purple, white Plant Type Herb Native No Weed Yes

common mallow Scientific Name Malva neglecta Family Mallow Flower Color Purple, white Plant Type Herb Native No Weed Yes

Mint

Idaho Batholith - High Glacial Drift-Filled Valleys

Herb

Native: No

horehound Scientific Name Marrubium vulgare Family Mint Flower Color White-pale pink Plant Type Herb Short Description Horehound Location McCall and many locations Native No Weed Yes

white horehound Scientific Name Marrubium vulgare Family Mint Flower Color White-pale pink Plant Type Herb Short Description Horehound Location McCall and many locations Native No Weed Yes

Morningglory

Ecoregion: No Information

Vine

Native: No Information

dodder Scientific Name Cuscuta sp. Family Morningglory Flower Color White, cream Plant Type Vine Weed Yes

Mustard

Ecoregion: No Information

Forb

Native: No

clasping pepperweed Scientific Name Lepidium perfoliatum Family Mustard Flower Color Green-yellow Plant Type Forb Native No Weed Yes

Herb

Native: No

shepherd's purse Scientific Name Capsella bursa-pastoris Family Mustard Flower Color White Plant Type Herb Short Description Flat, triangular pods are all along a fine stalk. Leaves are pinnatifid. The plant forms a rosette. Location McCall Native No Weed Yes

Nettle

Ecoregion: No Information

Forb

Native: Yes

pellitory Scientific Name Parietaria pensylvanica Family Nettle Plant Type Forb Native Yes Weed Yes

Oleaster

Ecoregion: No Information

Tree

Native: No

Russian Olive Scientific Name Elaeagnus angustifolia Family Oleaster Plant Type Tree Native No Weed Yes

Parsley

Ecoregion: No Information

Herb

Native: No Information

Queen Anne's lace Scientific Name Daucus carota Family Parsley Flower Color White Plant Type Herb Weed Yes

wild carrot Scientific Name Daucus carota Family Parsley Flower Color White Plant Type Herb Weed Yes

Pink

Ecoregion: No Information

Herb

Native: No

bouncingbet Scientific Name Saponaria officinalis Family Pink Flower Color White-pale pink Plant Type Herb Short Description European origin, escaped as a weed, toxic to livestock but seldom consumed. Native No Weed Yes

jagged chickweed Scientific Name Holosteum umbellatum Family Pink Flower Color White Plant Type Herb Native No Weed Yes

soapwort Scientific Name Saponaria officinalis Family Pink Flower Color White-pale pink Plant Type Herb Short Description European origin, escaped as a weed, toxic to livestock but seldom consumed. Native No Weed Yes

Potato

Ecoregion: No Information

Plant Type: No Information

Native: No Information

hairy nightshade Scientific Name Solanum sarrachoides Family Potato Weed Yes

hoe nightshade Scientific Name Solanum sarrachoides Family Potato Weed Yes

Forb

Native: Yes

angel's trumpet Scientific Name Datura innoxia Family Potato Flower Color White Plant Type Forb Native Yes Weed Yes

sacred datura Scientific Name Datura innoxia Family Potato Flower Color White Plant Type Forb Native Yes Weed Yes

Purslane

Ecoregion: No Information

Herb

Native: No

common purslane Scientific Name Portulaca oleracea Family Purslane Flower Color Yellow Plant Type Herb Short Description Common purslane Native No Weed Yes

Rose

Ecoregion: No Information

Tree

Native: No Information

wild plum Scientific Name Prunus sp. Family Rose Plant Type Tree Weed Yes

Spurge

Ecoregion: No Information

Plant Type: No Information

Native: No Information

thyme-leaved spurge Scientific Name Euphorbia glyptosperma Family Spurge Weed Yes

Forb

Native: Yes

milk spurge Scientific Name Chamaesyce maculata Family Spurge Plant Type Forb Native Yes Weed Yes

prostrate spurge Scientific Name Chamaesyce maculata Family Spurge Plant Type Forb Native Yes Weed Yes

St. John's Wort

Ecoregion: No Information

Herb

Native: No Information

St. John's Wort Scientific Name Hypericum formosum var. Scouleri Family St. John's Wort Flower Color Yellow Plant Type Herb Weed Yes

Tamarisk

Ecoregion: No Information

Tree

Native: No

salt cedar Scientific Name Tamarix parviflora Family Tamarisk Flower Color White-pale pink/ Purple Plant Type Tree Native No Weed Yes

tamarisk Scientific Name Tamarix parviflora Family Tamarisk Flower Color White-pale pink/ Purple Plant Type Tree Native No Weed Yes

Family: No Information

Ecoregion: No Information

Grass

Native: No Information

reed canarygrass Scientific Name Phalaris arundinacea Plant Type Grass Weed Yes