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Malheur Experiment Station
Oregon State University

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alkali saltgrass (Distichlis stricta )alkali saltgrass
Scientific Name Distichlis stricta
Family Grass
Plant Type Grass
Short Description
Native Yes
showy aster, alpine aster, mountain aster (Aster alpigenus var. haydenii)alpine aster
Scientific Name Aster alpigenus var. haydenii
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Location McCall, ID
Native Yes
Weed No
alpine laurel, swamp laurel (Kalmia microphylla)
alpine laurel
Scientific Name Kalmia microphylla
Family Heath
Flower Color Pink, purple
Plant Type Shrub
Native Yes
Weed No
Amaranth (Amaranthus)amaranth
Scientific Name Amaranthus
Family Amaranth
Flower Color Green
Introduced Yes
American speedwell (Veronica americana)
American speedwell
Scientific Name Veronica americana
Family Figwort or Snapdragon
Flower Color Purple, blue
Plant Type Herb
Location McCall, ID
sacred datura, angel's trumpet (Datura innoxia)
angel's trumpet
Scientific Name Datura innoxia
Family Potato
Flower Color White
Plant Type Forb
Native Yes
Weed Yes
annual bluegrass (Poa annua)annual bluegrass
Scientific Name Poa annua
Family Grass
Flower Color Green
Plant Type Grass
annual sowthistle (Sonchus oleraceus)annual sowthistle
Scientific Name Sonchus oleraceus
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Weed Yes
Arrowleaf Balsamroot (Balsamorhiza sagittata)arrowleaf balsamroot
Scientific Name Balsamorhiza sagittata
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Elevation 2500'
Location Council, ID, Mann Creek, ID, McCall, ID
Native Yes
Weed No
northern buckwheat, arrowleaf buckwheat (Eriogonum compositum)arrowleaf buckwheat
Scientific Name Eriogonum compositum
Family Buckwheat
Flower Color White, cream
Elevation 2850'
Location Jenkins Rd. north of Weiser ID
Native Yes
ballhead sandwort (Arenaria congesta)ballhead sandwort
Scientific Name Arenaria congesta
Family Pink
Flower Color White
Location Council, ID
Native Yes
dwarf waterleaf, ballhead waterleaf, leather breeches (Hydrophyllum capitatum)ballhead waterleaf
Scientific Name Hydrophyllum capitatum
Family Waterleaf
Flower Color Pink, purple
Plant Type Herb
Elevation 2500'
Location Mann Creek, ID
Native Yes
Weed No
barestem desert parsley, barestem lomatium, barestem biscuitroot (Lomatium nudicaule)
barestem biscuitroot
Scientific Name Lomatium nudicaule
Family Parsley
Flower Color Yellowish
Plant Type Herb
Elevation 2400'
Location Mann Creek, ID
Native Yes
Weed No
barestem desert parsley, barestem lomatium, barestem biscuitroot (Lomatium nudicaule)
barestem desert parsley
Scientific Name Lomatium nudicaule
Family Parsley
Flower Color Yellowish
Plant Type Herb
Elevation 2400'
Location Mann Creek, ID
Native Yes
Weed No
barestem desert parsley, barestem lomatium, barestem biscuitroot (Lomatium nudicaule)
barestem lomatium
Scientific Name Lomatium nudicaule
Family Parsley
Flower Color Yellowish
Plant Type Herb
Elevation 2400'
Location Mann Creek, ID
Native Yes
Weed No
Barnyard grass (Echinochloa muricata) barnyard grass
Scientific Name Echinochloa muricata
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
threadstalk milkvetch, basalt milkvetch (Astragalus filipes)
basalt milkvetch
Scientific Name Astragalus filipes
Family Legume or Pea
Flower Color Yellow
Plant Type Forb
Native Yes
Weed Yes
basin rayless daisy, rayless fleabane (Erigeron concinnus var. aphanactis)
basin rayless daisy
Scientific Name Erigeron concinnus var. aphanactis
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
Great Basin wildrye, giant wildrye, basin wildrye (Leymus cinereus, formerly Elymus cinereus)basin wildrye
Scientific Name Leymus cinereus
Family Grass
Flower Color Green, mixed
Plant Type Grass
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
bastard toadflax (Comandra umbellata)bastard toadflax
Scientific Name Comandra umbellata
Plant Type Forb
Short Description
Native Yes
beargrass, squaw grass (Xerophyllum tenax)
beargrass
Scientific Name Xerophyllum tenax
Family Lily
Flower Color White
Plant Type Forb
Native Yes
Weed No
beckwith's violet (Viola beckwithii)
Beckwith's violet
Scientific Name Viola beckwithii
Family Violet
Flower Color Purple, white
Plant Type Herb
Elevation 3300'
Location Midvale Hill between Mann Creek and Midvale, ID
Native Yes
blue larkspur, little larkspur, bicolor larkspur (Delphinium bicolor)
bicolor larkspur
Scientific Name Delphinium bicolor
Family Buttercup
Flower Color Blue
Plant Type Herb
Elevation 3300'
Location Crowley, OR, Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
prostrate vervain, bigbract verbena(Verbena bracteata)bigbract verbena
Scientific Name Verbena bracteata
Family Verbena
Flower Color light purple
Plant Type Forb
Native Yes
big-head clover, largehead clover (Trifolium macrocephalum)big-head clover
Scientific Name Trifolium macrocephalum
Family Legume or Pea
Flower Color Pink and Yellowish
Plant Type Forb
Elevation 2400'
Location Mann Creek, ID
Native Yes
Weed No
bigleaf sandwort, franklin's sandwort (Moehringia macrophylla)
bigleaf sandwort
Scientific Name Moehringia macrophylla
Family Pink
Flower Color White
Plant Type Herb
Short Description previously known as Arenaria macrophylla
Native Yes
Weed No
big sage, sagebrush, big sagebrush (Artemisia tridentata)
big sage
Scientific Name Artemisia tridentata
Family Composites, Sunflower
Flower Color Yellow
Plant Type Shrub
Location McCall, ID
Native Yes
Watershed Malheur, Owyhee, Snake, Weiser
Weed No
big sage, sagebrush, big sagebrush (Artemisia tridentata)
big sagebrush
Scientific Name Artemisia tridentata
Family Composites, Sunflower
Flower Color Yellow
Plant Type Shrub
Location McCall, ID
Native Yes
Watershed Malheur, Owyhee, Snake, Weiser
Weed No
bird's-foot trefoil (Lotus corniculatus)bird's-foot trefoil
Scientific Name Lotus corniculatus
Family Legume or Pea
Flower Color Brilliant Yellow
Location Annex, OR
Native No
Weed No
bitterbrush (Purshia tridentata)bitterbrush
Scientific Name Purshia tridentata
Family Rose
Flower Color Yellow
Plant Type Shrub
Location Honeycombs, OR, Mann Creek, ID, McCall, ID, Ontario, OR, Owyhee Reservoir, OR, Sage Hen Reservoir, ID
Native Yes
Weed No
bittercherry (Prunus emarginata)
bittercherry
Scientific Name Prunus emarginata
Family Rose
Flower Color White
Plant Type Shrub - Tree
Location Mann Creek, ID, McCall, ID
Native Yes
Weed No
Bitterroot (Lewisia rediviva)
Bitterroot
Scientific Name Lewisia rediviva
Family Purslane
Flower Color White/Purple
Plant Type Herb
Location Council, ID
Native Yes
Weed No
knot bindweed, black bindweed, ivy bindweed, climbing bindweed (Polygonum convolvulus)
black bindweed
Scientific Name Polygonum convolvulus
Family Buckwheat
Plant Type Forb
Introduced Yes
Weed Yes
camas, camas lily, black camas (Camassia quamash)
black camas
Scientific Name Camassia quamash
Family Lily
Flower Color Blue
Location Council, ID, Mann Creek, ID, Mann Creek Res. ID, McCall, ID
Native Yes
Weed No
black cottonwood (Populus trichocarpa)
black cottonwood
Scientific Name Populus trichocarpa
Family Willow
Flower Color -none-
Plant Type Tree
Location McCall, ID
Native Yes
Weed No
black elderberry (Sambucus racemosa)
black elderberry
Scientific Name Sambucus racemosa
Family Honeysuckle
Flower Color Cream white
Plant Type Shrub
Short Description Pith in center of stem. Leaves: Pinnately divided
Location McCall, ID
Native Yes
Weed No
black hawthorn (Crateagus douglasii)black hawthorn
Scientific Name Crateagus douglasii
Family Rose
Flower Color Green, Red
Elevation 3800'
Location Council, ID, Jenkins Rd. north of Weiser ID, Mann Creek, ID
Native Yes
black mustard (Brassica nigra)black mustard
Scientific Name Brassica nigra
Family Mustard
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
black twinberry (Lonicera involucrata)
black twinberry
Scientific Name Lonicera involucrata
Family Honeysuckle
Flower Color Pale yellow
Plant Type Shrub
Location McCall, ID
Native Yes
Weed No
black willow (Salix nigra)
black willow
Scientific Name Salix nigra
Family Willow
Plant Type Tree
Native Yes
Weed No
bladder pod (Lesquerella douglasii)
bladder pod
Scientific Name Lesquerella douglasii
Family Mustard
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
blanket flower (Gaillardia pinnatifida)blanket flower
Scientific Name Gaillardia pinnatifida
Family Composites, Sunflower
Flower Color Yellow, red
Plant Type Herb
Native Yes
Weed No
blazing star (Mentzelia laevicaulis)
blazing star
Scientific Name Mentzelia laevicaulis
Family Blazing Star
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
blister buttercup, cursed buttercup, cursed crowfoot, celeryleafed buttercup, celeryleafed buttercup (Ranunculus sceleratus)blister buttercup
Scientific Name Ranunculus sceleratus
Family Buttercup
Flower Color Yellow
Location Mann Creek, ID
Native No
Weed Yes
bluebonnet
Scientific Name Lupinus sp.
Family Legume or Pea
Flower Color Blue
Plant Type Herb
Short Description Leaves: Palmate compound
Location McCall, ID
Native Yes
Weed No
blue clematis (Clematis columbiana)
blue clematis
Scientific Name Clematis columbiana
Family Buttercup
Flower Color Blue
Plant Type Vine
Location McCall, ID
Native Yes
Weed No
Blue Elderberry (Sambucus cerulea)blue elderberry
Scientific Name Sambucus cerulea
Family Honeysuckle
Flower Color Cream white
Plant Type Shrub
Location McCall, ID
Native Yes
Weed No
Blue-eyed Mary (Collinsia parviflora)
blue-eyed Mary
Scientific Name Collinsia parviflora
Family Figwort or Snapdragon
Flower Color Blue and white
Plant Type Herb
Short Description Very small plant, flowers.
Elevation 3300'
Location Council, ID, McCall, ID, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
wild flax, blue flax (Linum perenne)
blue flax
Scientific Name Linum perenne
Family Flax
Flower Color Blue
Plant Type Forb
Introduced
blue larkspur, little larkspur, bicolor larkspur (Delphinium bicolor)
blue larkspur
Scientific Name Delphinium bicolor
Family Buttercup
Flower Color Blue
Plant Type Herb
Elevation 3300'
Location Crowley, OR, Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
blue mountain buckwheat (Eriogonum strictum)blue mountain buckwheat
Scientific Name Eriogonum strictum
Family Buckwheat
Flower Color White-pale pink
Plant Type Shrub
Short Description Very low growing.
Location Jordan Valley. ID
Native Yes
Weed No
Blue Mountain prairie clover, Western prairie clover (Dalea ornata)
Blue Mountain prairie clover
Scientific Name Dalea ornata
Family Legume or Pea
Flower Color Pink, purple
Plant Type Herb
Native Yes
Weed No
blue mustard, tenella mustard, purple mustard (Chorispora tenella)
blue mustard
Scientific Name Chorispora tenella
Family Mustard
Flower Color blue - purple
Plant Type Forb
Introduced Yes
Location Ontario, OR
Native No
Weed Noxious
blue stickseed, Jessica sticktight (Hackelia micrantha)blue stickseed
Scientific Name Hackelia micrantha
Family Borage
Flower Color Light Blue
Elevation 5000'
Location Jenkins Rd. north of Weiser ID
Native Yes
bog orchid (Habenaria dilatata)
bog orchid
Scientific Name Habenaria dilatata
Family Orchid
Flower Color White
Plant Type Forb
Short Description Thin spikelike raceme of flowers.
Location McCall, ID
Native Yes
Weed No
Booths evening-primrose(Camissonia boothii )Booths evening-primrose
Scientific Name Camissonia boothii
Family Evening Primrose
Plant Type Forb
Native Yes
bouncingbet, soapwort (Saponaria officinalis)
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
box elder (Acer negundo)
box elder
Scientific Name Acer negundo
Family Maple
Flower Color Bright green
Plant Type Tree
Short Description Medium sized tree
Weed No
bracken fern (Pteridium aquilinum)
bracken fern
Scientific Name Pteridium aquilinum
Family Polypod
Flower Color -none-
Plant Type Herb
Short Description Bracken fern is a common forest understory fern.
Location McCall, ID
Native Yes
Weed No
butter and eggs, bread and butter (Linaria vulgaris)
bread and butter
Scientific Name Linaria vulgaris
Family Figwort or Snapdragon
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native No
Weed Noxious, Yes
brickellbush (Brickellia Ell)brickellbush
Scientific Name Brickellia Ell.
Family Sunflower
broad-leaf bluebells (Mertensia platyphylla)
broad-leaf bluebells
Scientific Name Mertensia platyphylla
Family Borage
Flower Color Blue
Plant Type Herb
Location Council, ID, McCall, ID
Native Yes
Weed No
wild hyacinth, brodiaea, Douglas' brodiaea (Brodiaea douglasii)
brodiaea
Scientific Name Brodiaea douglasii
Family Lily
Flower Color Purple, blue
Location Council, ID, Mann Creek, ID
Native Yes
Weed No
broomrape (Orobanche sp.)
broomrape
Scientific Name Orobanche sp.
Family Broomrape
Flower Color Yellow, white, purple
Short Description Broomrape
broom snakeweed (Gutierrezia sarothrae)
broom snakeweed
Scientific Name Gutierrezia sarothrae
Family Composites, Sunflower
Flower Color Yellow
Plant Type Shrub - grass
Short Description Poisonous
buckbrush, snowbush (Ceanothus velutinus)
buckbrush
Scientific Name Ceanothus velutinus
Family Buckthorn
Flower Color White
Plant Type Shrub
Short Description Leaves persistent, N fixing genus. Leaves: Shiny upper side
Elevation 4150'
Location Jenkins Rd. north of Weiser ID, McCall, ID
Native Yes
Weed No
bulbous bluegrass (Poa bulbosa)
bulbous bluegrass
Scientific Name Poa bulbosa
Family Grass
Flower Color Green
Plant Type Grass
Location Mann Creek, ID, Ontario, OR, Snake River
Native No
bull rush (Scirpus spp.)
bull rush
Scientific Name Scirpus spp.
Family Sedge
Flower Color Brown
Plant Type Sedge
Native Yes
Weed No
bull thistle (Cirsium vulgare)
bull thistle
Scientific Name Cirsium vulgare
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Biennial.
Location McCall, ID
Native No
Weed Noxious
bur buttercup, hornseed buttercup (Ranunculus testiculatus)
bur buttercup
Scientific Name Ranunculus testiculatus
Family Buttercup
Flower Color Yellowish
Plant Type Herb
Weed Yes
bushy peavine (Lathyrus rigidus)
bushy peavine
Scientific Name Lathyrus rigidus
Family Legume or Pea
Flower Color White
Plant Type Vine
Native Yes
Weed No
butter and eggs, bread and butter (Linaria vulgaris)
butter and eggs
Scientific Name Linaria vulgaris
Family Figwort or Snapdragon
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native No
Weed Noxious, Yes
buttercup (Ranunculus sp)
buttercup
Scientific Name Ranunculus sp
Family Buttercup
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native Yes
Weed No
butterfly bush (Buddleja sp.)
butterfly bush
Scientific Name Buddleja sp.
Family Butterfly bush
Plant Type Shrub
Native No
Weed Yes
butterweed groundsel
Scientific Name Senecio serra
Family Composites, Sunflower
Plant Type Herb
calypso orchid, fairy slipper (Calypso bulbosa )

calypso orchid
Scientific Name Calypso bulbosa
Family Orchid
Flower Color Pink, purple
Plant Type Forb
Location McCall, ID
Native Yes
Weed No
camas, camas lily, black camas (Camassia quamash)
camas
Scientific Name Camassia quamash
Family Lily
Flower Color Blue
Location Council, ID, Mann Creek, ID, Mann Creek Res. ID, McCall, ID
Native Yes
Weed No
camas, camas lily, black camas (Camassia quamash)
camas lily
Scientific Name Camassia quamash
Family Lily
Flower Color Blue
Location Council, ID, Mann Creek, ID, Mann Creek Res. ID, McCall, ID
Native Yes
Weed No
Canada goldenrod (Solidago canadensis)
Canada goldenrod
Scientific Name Solidago canadensis
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native Yes
Weed Can be
Canada thistle (Cirsium arvense)
Canada thistle
Scientific Name Cirsium arvense
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Perennial, deep-seated creeping underground roots. Leaves: Spiny, pinnatifid
Location McCall, ID
Native No
Weed Noxious
Canby's lomatium (Lomatiun canbyi)
Canby's lomatium
Scientific Name Lomatiun canbyi
Family Parsley
Flower Color White-pale pink
Plant Type Herb
Native Yes
catchweed (Asperugo procumbens)catchweed
Scientific Name Asperugo procumbens
Family Borage
Location Council, ID
Native No
cat-tail (Typha latifolia)
cat-tail
Scientific Name Typha latifolia
Family Cat-Tail
Flower Color Brown
Plant Type Forb
Short Description Tall perennial, creeping rhizomes.
Native Yes
Weed No
blister buttercup, cursed buttercup, cursed crowfoot, celeryleafed buttercup, celeryleafed buttercup (Ranunculus sceleratus)celeryleafed buttercup
Scientific Name Ranunculus sceleratus
Family Buttercup
Flower Color Yellow
Location Mann Creek, ID
Native No
Weed Yes
Douglas false yarrow, Douglas' dustymaiden (Chaenactis douglasii)
Chaenactis
Scientific Name Chaenactis douglasii
Family Composites, Sunflower
Flower Color White to pink
Plant Type Herb
Location Honeycombs, OR
Cheat grass (Bromus tectorum)cheat grass
Scientific Name Bromus tectorum
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
common mallow, cheeseweed (Malva neglecta)
cheeseweed
Scientific Name Malva neglecta
Family Mallow
Flower Color Purple, white
Plant Type Herb
Weed Yes
chicory (Cichorium intybus)
chicory
Scientific Name Cichorium intybus
Family Composites, Sunflower
Flower Color Blue
Plant Type Herb
Location McCall, ID
Native No
Weed Can be
cinquefoil (Potentilla spp.)
cinquefoil
Scientific Name Potentilla spp.
Family Rose
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native Yes
Weed No
Clasping Pepperweed (Lepidium perfoliatum)clasping pepperweed
Scientific Name Lepidium perfoliatum
Family Mustard
Flower Color Green-yellow
Plant Type Forb
cleavers
Scientific Name Galium aparine
Family Madder
Plant Type Herb
Location McCall, ID
Weed Yes
cleomella (Cleomella macbrideana)Cleomella
Scientific Name Cleomella macbrideana
Family Caper
Flower Color Yellow
Plant Type Forb
Short Description The cleomella pictured here was found on very poor, bare clay soil in the Succor Creek watershed.
Native Yes
knot bindweed, black bindweed, ivy bindweed, climbing bindweed (Polygonum convolvulus)
climbing bindweed
Scientific Name Polygonum convolvulus
Family Buckwheat
Plant Type Forb
Introduced Yes
Weed Yes
Clintonia, Queen's Cup (Clintonia uniflora)Clintonia
Scientific Name Clintonia uniflora
Family Lily
Flower Color Waxy white
Plant Type Forb
Short Description Short perennial, usually has single flowers.
Location McCall, ID
Native Yes
Weed No
club fruit (Camissonia claviformus)
club fruit
Scientific Name Camissonia claviformus
Family Evening Primrose
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
columbine (Aguilegia sp.)Columbine
Scientific Name Aguilegia sp.
Family Buttercup
Flower Color White, yellow
Plant Type Forb
Weed No
common chokecherry (Prunus virginiana)common chokecherry
Scientific Name Prunus virginiana
Family Rose
Flower Color White
Plant Type Tree
Location McCall, ID
Native Yes
Weed No
common cockleburr (Xanthium strumarium)
common cockleburr
Scientific Name Xanthium strumarium
Family Composites, Sunflower
Flower Color Green
Plant Type Forb
Introduced North America
Weed Yes
common groundsel, old-man-in-the-Spring (Senecio vulgaris)common groundsel
Scientific Name Senecio vulgaris
Family Composites, Sunflower
Flower Color White, yellow
Plant Type Forb
Location Ontario, OR
Native No
Weed Yes
common mallow, cheeseweed (Malva neglecta)
common mallow
Scientific Name Malva neglecta
Family Mallow
Flower Color Purple, white
Plant Type Herb
Weed Yes
Mullein (Verbascum thapsus)common mullein
Scientific Name Verbascum thapsus
Family Figwort or Snapdragon
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native No
Weed Can be
common purslane (Portulaca oleracea)
common purslane
Scientific Name Portulaca oleracea
Family Purslane
Flower Color Yellow
Plant Type Herb
Short Description Common purslane
Weed Yes
Common rye (Secale cereale)common rye
Scientific Name Secale cereale
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
Common Tansy (Tanacetum vulgare)common tansy
Scientific Name Tanacetum vulgare
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Native No
Weed Noxious
common teasel (Dipsacus fullonum)
common teasel
Scientific Name Dipsacus fullonum
Family Teasel
Flower Color Brown - purple
Plant Type Shrub
Introduced Europe
prickly lettuce, compass plant (Lactuca serriola )
compass plant
Scientific Name Lactuca serriola
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Introduced Yes
Weed Yes
corn gromwell (Lithospermum arvense)corn gromwell
Scientific Name Lithospermum arvense
Family Borage
Flower Color White
Location Mann Creek, ID
Native No
cous biscuit-root, cous-root desert-parsley (Lomatium cous)
cous biscuit-root
Scientific Name Lomatium cous
Family Parsley
Flower Color Yellow
Plant Type Forb
Native Yes
cous biscuit-root, cous-root desert-parsley (Lomatium cous)
cous-root desert-parsley
Scientific Name Lomatium cous
Family Parsley
Flower Color Yellow
Plant Type Forb
Native Yes
cow parsnip (Heracleum lanatum)
cow parsnip
Scientific Name Heracleum lanatum
Family Parsley
Flower Color White
Plant Type Herb
Short Description Photosensitive skin reaction, wet soil. Is poisonous to humans.
Location McCall, ID
Native Yes
Weed No
coyote willow (Salix exigua)
coyote willow
Scientific Name Salix exigua
Family Willow
Flower Color -none-
Plant Type Shrub
Native Yes
Weed No
Oregon Grape (Mahonia repens)creeping Oregon grape
Scientific Name Mahonia repens
Family Barberry
Flower Color Yellow
Plant Type Shrub
Short Description Grape-like berries. Leaves: Prickly toothed leaflets
Location Mann Creek, ID, McCall, ID
Native Yes
Weed No
blue mustard, tenella mustard, purple mustard (Chorispora tenella)
crossflower
Scientific Name Chorispora tenella
Family Mustard
Flower Color blue - purple
Plant Type Forb
Introduced Yes
Location Ontario, OR
Native No
Weed Noxious
cryptantha (Cryptantha glomerata)
cryptantha
Scientific Name Cryptantha glomerata
Family Borage
Flower Color White
Plant Type Herb
Native Yes
Weed No
cryptantha (Cryptantha sp.)
cryptantha
Scientific Name Cryptantha sp.
Family Borage
Flower Color White
Plant Type Shrub
curlleaf mountain-mahogany (Cercocarpus ledifolius)
curlleaf mountain-mahogany
Scientific Name Cercocarpus ledifolius
Family Rose
Flower Color Green-white
Plant Type Evergreen shrub
Native Yes
curlycup gumweed (Grindelia squarrosa)
curlycup gumweed
Scientific Name Grindelia squarrosa
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Native Yes
Weed Can be
currant (Ribes spathianum)currant
Scientific Name Ribes spathianum
Family Currant or Gooseberry
Flower Color Black
Plant Type Shrub
blister buttercup, cursed buttercup, cursed crowfoot, celeryleafed buttercup, celeryleafed buttercup (Ranunculus sceleratus)cursed buttercup
Scientific Name Ranunculus sceleratus
Family Buttercup
Flower Color Yellow
Location Mann Creek, ID
Native No
Weed Yes
blister buttercup, cursed buttercup, cursed crowfoot, celeryleafed buttercup, celeryleafed buttercup (Ranunculus sceleratus)cursed crowfoot
Scientific Name Ranunculus sceleratus
Family Buttercup
Flower Color Yellow
Location Mann Creek, ID
Native No
Weed Yes
curvepod milkvetch (Astragalus curvicarpus)
curvepod milkvetch
Scientific Name Astragalus curvicarpus
Family Legume or Pea
Flower Color Yellow
Plant Type Herb
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
Weed No
bur buttercup, hornseed buttercup (Ranunculus testiculatus)
curveseed butterwort
Scientific Name Ranunculus testiculatus
Family Buttercup
Flower Color Yellowish
Plant Type Herb
Weed Yes
cushion buckwheat, oval-leafed eriogonum (Eriogonum ovalifolium)
cushion buckwheat
Scientific Name Eriogonum ovalifolium
Family Buckwheat
Flower Color Cream white
Plant Type Shrub
Native Yes
Weed No
Cusick's penstemon, or Cusick's beardtongue (Penstemon cusickii)Cusick's beardtongue
Scientific Name Penstemon cusickii
Family Figwort or Snapdragon
Flower Color blue - purple
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
Weed No
Cusick's Indian paintbrush (Castilleja cusickii)
Cusick's Indian paintbrush
Scientific Name Castilleja cusickii
Family Figwort or Snapdragon
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
Cusick's monkeyflower (Mimulus cusickii)
Cusick's monkeyflower
Scientific Name Mimulus cusickii
Family Figwort or Snapdragon
Flower Color Magenta
Plant Type Herb
Native Yes
Weed No
Cusick's penstemon, or Cusick's beardtongue (Penstemon cusickii)Cusick's penstemon
Scientific Name Penstemon cusickii
Family Figwort or Snapdragon
Flower Color blue - purple
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
Weed No
Cusick's sunflower (Helianthus cusickii)Cusick's sunflower
Scientific Name Helianthus cusickii
Family Composites, Sunflower
Flower Color Brilliant Yellow
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
thick-leaf thelypody, cut-leaf thelypody (Thelypodium laciniatum )
cut-leaf thelypody
Scientific Name Thelypodium laciniatum
Family Mustard
Flower Color White/Purple
Plant Type Forb
Native Yes
daggerpod, wallflower phoenicaulis (Phoenicaulis cheiranthoides)daggerpod
Scientific Name Phoenicaulis cheiranthoides
Family Mustard
Flower Color Purple
Plant Type Forb
Elevation 3300'
Location Jordan Craters, OR, Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
dandelion (Taraxacum officinale)
dandelion
Scientific Name Taraxacum officinale
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Location McCall, ID
Native No
Weed Yes
death camas (Zigadenus venenosus)death camas
Scientific Name Zigadenus venenosus
Family Lily
Flower Color White
Plant Type Forb
Location Mann Creek, ID, Sage Hen Reservoir, ID
Native Yes
Weed No
pinkfairies, pink fairies, deer horn, ragged robin, elkhorn clarkia (Clarkia pulchella)deer horn
Scientific Name Clarkia pulchella
Family Evening Primrose
Flower Color Pink, purple
Plant Type Herb
Elevation 2900'
Location Jenkins Rd. north of Weiser ID
Native Yes
Weed No
desert evening primrose (Oenothera caespitosa)
desert evening primrose
Scientific Name Oenothera caespitosa
Family Evening Primrose
Flower Color White
Plant Type Forb
desert parsley, fernleaf biscuitroot, fern-leafed lomatium, fern-leafed desert parsley (Lomatium dissectum)desert parsley
Scientific Name Lomatium dissectum
Family Parsley
Plant Type Forb
Elevation 2500'
Location Mann Creek, ID
Native Yes
Weed No
devil's beggarticks, leafy beggarticks, or leafy sticktight (Bidens frondosa)devil's beggarticks
Scientific Name Bidens frondosa
Family Composites, Sunflower
Plant Type Shrub
Location Ontario, OR
Native No
Weed Yes
diffuse knapweed (Centaurea diffusa)
diffuse knapweed
Scientific Name Centaurea diffusa
Family Composites, Sunflower
Flower Color Light Pink
Plant Type Forb
Native No
Weed No
Diverse-leafed Cinquefoil (Potentillia diversifolia)diverse-leafed cinquefoil
Scientific Name Potentillia diversifolia
Family Rose
Flower Color Yellow
Plant Type Forb
Native Yes
Weed No
dodder (cuscuta sp.)dodder
Scientific Name Cuscuta sp.
Family Morningglory
Flower Color White, cream
Plant Type Vine
Weed Yes
Dogbane, spreading dogbane (Apocynum androsaemifolium)dogbane
Scientific Name Apocynum androsaemifolium
Family Dogbane
Flower Color Pink
Plant Type Herb
Short Description Poisonous juice.
Native Yes
Weed Noxious
wild hyacinth, brodiaea, Douglas' brodiaea (Brodiaea douglasii)
Douglas' brodiaea
Scientific Name Brodiaea douglasii
Family Lily
Flower Color Purple, blue
Location Council, ID, Mann Creek, ID
Native Yes
Weed No
Douglas false yarrow, Douglas' dustymaiden (Chaenactis douglasii)
Douglas' dustymaiden
Scientific Name Chaenactis douglasii
Family Composites, Sunflower
Flower Color White to pink
Plant Type Herb
Location Honeycombs, OR
Douglas false yarrow, Douglas' dustymaiden (Chaenactis douglasii)
Douglas false yarrow
Scientific Name Chaenactis douglasii
Family Composites, Sunflower
Flower Color White to pink
Plant Type Herb
Location Honeycombs, OR
Douglas fir (Pseudotsuga menziesii)
Douglas fir
Scientific Name Pseudotsuga menziesii
Family Pine
Plant Type Tree
Short Description Needles around stem, tounges on cones. Leaves: Needles singular
Location McCall,