Plants by Watershed, Weed, Common Name

Watershed: No Information

Weed: Can be

alkali saltgrass Scientific Name Distichlis stricta Family Grass Plant Type Grass Short Description Native Yes Weed Can be

Dutch clover Scientific Name Trifolium repens Family Legume or Pea Native No Weed Can be

ladino clover Scientific Name Trifolium repens Family Legume or Pea Native No Weed Can be

poison ivy Scientific Name Toxicodendron rydbergii Family Sumac Plant Type Shrub Native Yes Weed Can be

poverty sumpweed Scientific Name Iva axillaris Family Composites, Sunflower Plant Type Forb Native Yes Weed Can be

squaw apple Scientific Name Peraphyllum ramosissimum Family Rose Native No, Yes Weed Can be

western juniper Scientific Name Juniperus occidentalis Family Cypress Plant Type Tree Location McCall Native Yes Weed Can be

white clover Scientific Name Trifolium repens Family Legume or Pea Native No Weed Can be

wild crab apple Scientific Name Peraphyllum ramosissimum Family Rose Native No, Yes Weed Can be

wild crabapple Scientific Name Peraphyllum ramosissimum Family Rose Native No, Yes Weed Can be

Weed: No

bicolor larkspur Scientific Name Delphinium bicolor Family Buttercup Native Yes Weed No

birdnest buckwheat Scientific Name Eriogonum nidularium Coville Family Buckwheat Plant Type Forb Native Yes Weed No

black willow Scientific Name Salix nigra Family Willow Plant Type Tree Native Yes Weed No

Booths evening-primrose Scientific Name Camissonia boothii Family Evening Primrose Plant Type Forb Native Yes Weed No

brickellbush Scientific Name Brickellia sp. Family Composites, Sunflower Native Yes Weed No

Cusick's beartongue Scientific Name Penstemon cusickii Family Figwort or Snapdragon Plant Type Herb Native Yes Weed No

Cusick's penstemon Scientific Name Penstemon cusickii Family Figwort or Snapdragon Plant Type Herb Native Yes Weed No

Cusick's Sunflower Scientific Name Helianthus cusickii Family Composites, Sunflower Native Yes Weed No

desert parsley Scientific Name Lomatium dissectum Family Parsley Plant Type Forb Native Yes Weed No

Douglas fir Scientific Name Pseudotsuga menziesii Family Pine Plant Type Tree Short Description Needles around stem, tounges on cones. Leaves: Needles singular Location McCall Native Yes Weed No

dwarf onion Scientific Name Allium parvum Family Lily Native Yes Weed No

eastern cottonwood Scientific Name Populus deltoides Family Willow Plant Type Tree Native Yes Weed No

Englemann spruce Scientific Name Picea engelmannii Family Pine Plant Type Tree Short Description Spire shaped tree, 4 angled needles. Leaves: Sharp needles Location McCall Native Yes Weed No

false strawberry Scientific Name Hesperochiron pumilus Family Waterleaf Native Yes Weed No

fernleaf biscuitroot Scientific Name Lomatium dissectum Family Parsley Plant Type Forb Native Yes Weed No

fern-leafed desert parsley Scientific Name Lomatium dissectum Family Parsley Plant Type Forb Native Yes Weed No

fern-leafed lomatium Scientific Name Lomatium dissectum Family Parsley Plant Type Forb Native Yes Weed No

golden beeplant Scientific Name Cleome platycarpa Family Caper Native Yes Weed No

golden spiderflower Scientific Name Cleome platycarpa Family Caper Native Yes Weed No

grand fir Scientific Name Abies grandis Family Pine Plant Type Tree Short Description Intergrades with white fir. Leaves: Needles, singular Location McCall Native Yes Weed No

great plains cottonwood Scientific Name Populus deltoides Family Willow Plant Type Tree Native Yes Weed No

Hayden's cymopterus Scientific Name Cymopterus bipinnatus Family Parsley Native Yes Weed No

Indian ricegrass Scientific Name Achnatherum hymenoides Family Grass Plant Type Grass Short Description perennial Native Yes Weed No

limber pine Scientific Name Pinus flexilis Family Pine Plant Type Tree Native Yes Weed No

limestone hawksbeard Scientific Name Crepis intermedia Family Composites, Sunflower Native Yes Weed No

little larkspur Scientific Name Delphinium bicolor Family Buttercup Plant Type Herb Native Yes Weed No

lodgepole pine Scientific Name Pinus contorta Family Pine Plant Type Tree Short Description Medium length needles, thin bark, small cones. Leaves: needles in 2's Location McCall Native Yes Weed No

marsh yellowcress Scientific Name Rorippa islandica Family Mustard Native Yes Weed No

mountain alder Scientific Name Alnus incana Family Birch Plant Type Tree Short Description A small stream-side tree. Flowers and catkins develop and flower on twigs of the previous year before the leaves come out. Location McCall Native Yes Weed No

necklace poplar Scientific Name Populus deltoides Family Willow Plant Type Tree Native Yes Weed No

Oregon checkerbloom Scientific Name Sidalcea oregana Family Mallow Native Yes Weed No

Oregon checker-mallow Scientific Name Sidalcea oregana Family Mallow Native Yes Weed No

parsnip-flowered buckwheat Scientific Name Eriogonum heracleoides Family Buckwheat Short Description parsnip-flowered buckwheat (Eriogonum heracleoides) Native Yes Weed No

ponderosa pine Scientific Name Pinus ponderosa Family Pine Plant Type Tree Short Description Long needled, thick puzzle bark. Leaves: Needles in 3's Location McCall Native Yes Weed No

prairie starflower Scientific Name Lithophragma parviflorum Family Saxifrage Native Yes Weed No

quaking aspen Scientific Name Populus tremuloides Family Willow Plant Type Tree Location McCall and many locations Native Yes Weed No

salt heliotrope Scientific Name Heliotropium curassavicum L. Family Borage Plant Type Shrub Native Yes Weed No

shadscale saltbush Scientific Name Atriplex confertifolia Family Goosefoot Plant Type Shrub Native Yes Weed No

showy goldeneye Scientific Name Heliomeris multiflora Short Description Annual to weak perennial. Native Yes Weed No

silver sagebrush Scientific Name Artemisia cana Family Composites, Sunflower Short Description perennial Native Yes Weed No

small onion Scientific Name Allium parvum Family Lily Native Yes Weed No

squirreltail Scientific Name Elymus elymoides Family Grass Plant Type Grass Native Yes Weed No

subalpine fir Scientific Name Abies lasiocarpa Family Pine Plant Type Tree Short Description Found in the central mountains of Idaho above McCall and elsewhere. Location McCall and many locations Native Yes Weed No

sugar bowl Scientific Name Clematis hirsutissima Family Buttercup Plant Type Herb Native Yes Weed No

swamp onion Scientific Name Allium madidum Family Lily Native Yes Weed No

threenerve fleabane Scientific Name Erigeron subtrinervis Family Composites, Sunflower Native Yes Weed No

threetip sagebrush Scientific Name Artemisia tripartita Family Composites, Sunflower Plant Type Shrub Native Yes Weed No

thymeleaf buckwheat Scientific Name Eriogonum thymoides Family Buckwheat Native Yes Weed No

western birch Scientific Name Betula occidentalis Family Birch Plant Type Tree Weed No

western hemlock Scientific Name Tsuga heterophylla Family Pine Plant Type Tree Native Yes Weed No

western larch Scientific Name Larix occidentalis Family Pine Plant Type Tree Location McCall Native Yes Weed No

white sage brush Scientific Name Artemisia ludoviciana ssp. ludoviciana Family Composites, Sunflower Native Yes Weed No

white sage brush Scientific Name Artemisia ludoviciana Family Composites, Sunflower Plant Type Shrub Native Yes Weed No

white sagebrush Scientific Name Artemisia ludoviciana ssp. ludoviciana Family Composites, Sunflower Native Yes Weed No

white sagebrush Scientific Name Artemisia ludoviciana Family Composites, Sunflower Plant Type Shrub Native Yes Weed No

willow Scientific Name Salix sp. Family Willow Plant Type Shrub Location McCall and many locations Native Yes Weed No

wormwood Scientific Name Artemisia ludoviciana Family Composites, Sunflower Plant Type Shrub Native Yes Weed No

yellow alyssum Scientific Name Alyssum alyssoides Family Mustard Native Yes Weed No

Weed: Noxious

dalmatian toadflax Scientific Name Linaria dalmatica Family Figwort or Snapdragon Plant Type Forb Weed Noxious

kochia Scientific Name Kochia scoparia Family Goosefoot Plant Type Forb Native No Weed Noxious

Weed: Yes

alkali mallow Scientific Name Malvella leprosa Family Mallow Weed Yes

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

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

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

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

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

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

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

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

fragrant bedstraw Scientific Name Galium triflorum Family Madder Weed Yes

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

hairy nightshade Scientific Name Solanum sarrachoides Family Potato Weed Yes

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

hoe nightshade Scientific Name Solanum sarrachoides Family Potato Weed Yes

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

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

knot bindweed Scientific Name Polygonum convolvulus Family Buckwheat Plant Type Forb Introduced Yes 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

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

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

meadow foxtail Scientific Name Alopecurus pratensis Family Grass Weed Yes

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

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

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

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

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

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

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

reed canarygrass Scientific Name Phalaris arundinacea Plant Type Grass Weed Yes

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

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

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

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

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

sweetscented bedstraw Scientific Name Galium triflorum Family Madder Weed Yes

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

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

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

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

Weed: No Information

alfalfa Scientific Name Medicago sativa Family Legume or Pea Native No

american yellowrocket Scientific Name Barbarea orthoceras Family Mustard

arrowleaf buckwheat Scientific Name Eriogonum compositum Family Buckwheat Native Yes

Atkinson's coreopsis Scientific Name Coreopsis tinctoria Nutt. var. atkinsoniana Family Composites, Sunflower Plant Type Forb Short Description Atkinson's coreopsis grows east of New Plymouth, ID, on low lying wet soils near the Payette River. It is a native plant in the western United states and British Columbia. Native Yes

ballhead sandwort Scientific Name Arenaria congesta Family Pink

bastard toadflax Scientific Name Comandra umbellata Plant Type Forb Short Description Native Yes

black cottonwood Scientific Name Populus balsamifera L. ssp. trichocarpa Location McCall and many locations Native Yes

blister buttercup Scientific Name Ranunculus sceleratus Family Buttercup

blue penstemon Scientific Name Penstemon cyaneus Family Figwort or Snapdragon

blue stickseed Scientific Name Hackelia micrantha Family Borage Native Yes

butterweed groundsel Scientific Name Senecio serra Family Composites, Sunflower Plant Type Herb

corn gromwell Scientific Name Lithospermum arvense Family Borage

creeping barberry Scientific Name Berberis repens Family Barberry Native Yes

creeping Oregon grape Scientific Name Berberis repens Family Barberry Native Yes

cursed buttercup Scientific Name Ranunculus sceleratus Family Buttercup

cutleaf nighshade Scientific Name Solanum triflorum Family Solanaceae Native Yes

Dutchman's breeches Scientific Name Dicentra cucullaria Family Bleeding heart or Fumatory Plant Type Forb Short Description Dutchman's breeches is a native wildflower that grows in a few partial shade sheltered canyon environments. These spots have more moisture than rangelands, but are not really wet soil. Native Yes

foothill deathcamas Scientific Name Zigadenus paniculatus Family Lily Native Yes

foxtail barley Scientific Name Hordeum jubatum Family Poaceae Native Yes

grimy mousetail Scientific Name Ivesia rhypara Family Rose Plant Type Forb Native Yes

Holboell's rockcress Scientific Name Arabis holboellii Family Mustard Native Yes

hook violet Scientific Name Viola adunca Family Violet Native Yes

horseweed Scientific Name Conyza canadensis Family Composites, Sunflower Plant Type Forb Native North America grasslands

Jessica sticktight Scientific Name Hackelia micrantha Family Borage Native Yes

Kirtley's baby blue eyes Scientific Name Nemophila kirtleyi Family Waterleaf Native Yes

narrow-leaf collomia Scientific Name Collomia linearis Family Phlox Native Yes

narrowleaf skullcap Scientific Name Scutellaria angustifolia Pursh ssp. angustifolia Family Mint Plant Type Herb Short Description A larger flowered narrowleaf skullcap. These plants colonize unstable or shallow soils where few plants prosper. Native Yes

narrowleaf skullcap Scientific Name Scutellaria angustifolia Pursh ssp. micrantha Family Mint Plant Type Herb Short Description A smaller flowered narrowleaf skullcap. These plants cover soil in unstable, shallow soils where few plant species prosper. Native Yes

nettle leaf giant hyssop Scientific Name Agastache urticifolia Family Mint Native Yes

nettleleaf giant hyssop Scientific Name Agastache urticifolia Family Mint Native Yes

northern buckwheat Scientific Name Eriogonum compositum Family Buckwheat Native Yes

plains cymopterus Scientific Name Cymopterus acaulis Native Yes

plains springparsley Scientific Name Cymopterus acaulis Native Yes

rough eyelashweed Scientific Name Blepharipappus scaber Family Composites, Sunflower Native Yes

scabland sagebrush Scientific Name Artemisia rigida Family Composites, Sunflower Native Yes

scarlet gillia Scientific Name Ipomopsis aggregata var. attenuata Native Yes

skunkbrush sumac Scientific Name Rhus trilobata Family Sumac Plant Type Shrub Native Yes

skyrocket Scientific Name Ipomopsis aggregata var. attenuata Native Yes

slender fringe cup Scientific Name Lithophragma bulbiferum Family Saxifrage Native Yes

sugar pine Scientific Name Pinus lambertiana Family Pine Plant Type Tree Native Yes

tall ragwort Scientific Name Senecio serra Family Composites, Sunflower Native Yes

tarragon Scientific Name Artemisia dracunculus Family Composites, Sunflower Plant Type Shrub Native Yes

thickleaf beardtongue Scientific Name Penstemon pachyphyllus Family Figwort or Snapdragon

Thurber's needlegrass Scientific Name Achnatherum thurberianum

tiny trumpet Scientific Name Collomia linearis Family Phlox Native Yes

Wasatch desertparsley Scientific Name Lomatium bicolor Family Parsley

western groundsel Scientific Name Senecio integerrimus Family Composites, Sunflower Native Yes

western sweet-cicely Scientific Name Osmorhiza occidentalis Native Yes

wintercress Scientific Name Barbarea orthoceras Family Mustard

wishbone-bush Scientific Name Mirabilis laevis var. retrorsa Plant Type Forb Short Description perennial Native Yes

yellow violet Scientific Name Viola nuttallii Family Violet Native Yes