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Malheur Experiment Station
Oregon State University

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Iris Sp.
Common Names Iris Sp.
Family Iris
Flower Color Purple, Cream, Yellow
Short Description perennial
Native Yes
sego lily
Common Names sego lily
Family Lily
Native Yes

Common Names ,
Family Figwort or Snapdragon
Flower Color Purple
Plant Type Herb
Location McCall
Native Yes
Weed No
Grand fir (Abies grandis)
Abies grandis
Common Names grand fir
Family Pine
Plant Type Tree
Short Description Intergrades with white fir. Leaves: Needles, singular
Location McCall
Native Yes
Weed No
Subalpine Fir (Abies lasiocarpa)Abies lasiocarpa
Common Names subalpine fir
Family Pine
Plant Type Tree
Native Yes
Weed No
velvetleaf (Abutilon theophrasti )Abutilon theophrasti
Common Names velvetleaf
Family Mallow
Flower Color Yellow
Plant Type Shrub
Introduced Yes
Weed No
rocky mountain maple (Acer glabrum)
Acer glabrum
Common Names rocky mountain maple
Family Maple
Flower Color Green-yellow
Plant Type Tree
Location McCall
Native Yes
Weed No
box elder (Acer negundo)
Acer negundo
Common Names box elder
Family Maple
Flower Color Bright green
Plant Type Tree
Short Description Medium sized tree
Weed No
Yarrow (Achillea millefolium)Achillea millefolium
Common Names yarrow
Family Composites, Sunflower
Flower Color White
Plant Type Herb
Location McCall
Native Yes
Weed No
Indian ricegrass (Achnatherum hymenoides )Achnatherum hymenoides
Common Names Indian ricegrass
Family Grass
Plant Type Grass
Short Description perennial
Native Yes
monkshood (Aconitum columbianum)Aconitum columbianum
Common Names Monk's Hood
Family Buttercup
Flower Color Purple
Plant Type Herb
Short Description 1.5 to 7 feet tall.
Location McCall
Native Yes
Weed No
Russian knapweed (Acroptilon repens)
 Acroptilon repens
Common Names Russian knapweed
Family Composites, Sunflower
Flower Color Pink, rose
Plant Type Shrub
Introduced Yes
Weed Yes
pathfinder, trail plant (Adenocaulon bicolor)
Adenocaulon bicolor
Common Names pathfinder, trail plant
Family Composites, Sunflower
Flower Color Green, mixed
Plant Type Forb
Location McCall
Native Yes
Weed No
jointed goatgrass (Aegilops cylindrica)
Aegilops cylindrica
Common Names jointed goatgrass
Family Grass
Flower Color Green-yellow
Plant Type Grass
Elevation 3200'
Location Jenkins Rd. north of Weiser ID
Native No
Weed Yes
short-beaked agroseris, false dandelion (Agoseris glauca)
Agoseris glauca
Common Names short-beaked agroseris, false dandelion, pale agoseris
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Elevation 2400'
Location Mann Creek, ID
Native Yes
Weed No
columbine (Aguilegia sp.)Aguilegia sp.
Common Names Columbine
Family Buttercup
Flower Color White, yellow
Plant Type Forb
Weed No
taper-tip onion (Allium acuminatum)
Allium acuminatum
Common Names taper-tip onion
Family Lily
Flower Color Purple
Native Yes
Weed No
Douglas wild onion (Allium douglasii)Allium douglasii
Common Names Douglas wild onion
Family Lily
Flower Color Pink
Native Yes
Weed No
mountain alder (Alnus incana)
Alnus incana
Common Names mountain alder
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 Yes
Sitka alder (Alnus sinuata)
Alnus sinuata
Common Names Sitka alder
Family Birch
Flower Color -catkins-
Plant Type Tree
Native Yes
Weed No
yellow alyssum (Alyssum alyssoides)Alyssum alyssoides
Common Names yellow alyssum
Family Mustard
Flower Color Yellow
Location Lower Owyhee River, OR
Native No
Amaranth (Amaranthus)Amaranthus
Common Names amaranth
Family Amaranth
Flower Color Green
Introduced Yes
Redroot Pigweed (Amaranthus retroflexus)Amaranthus retroflexus
Common Names redroot pigweed
Family Amaranth
Flower Color Green
Plant Type Forb
Weed Yes
Serviceberry (Amelanchier alnifolia)Amelanchier alnifolia
Common Names serviceberry
Family Rose
Flower Color White
Plant Type Shrub
Short Description 5 petals.
Location McCall
Native Yes
Weed No
indigo bush, false indigo (Amorpha fruticosa)
Amorpha fruticosa
Common Names indigo bush, false indigo
Family Legume or Pea
Flower Color Purple
Plant Type Shrub - Tree
Native Yes
Weed Yes
fiddleneck (Amsinckia intermedia)
Amsinckia intermedia
Common Names fiddleneck
Family Borage
Flower Color Yellow or Purple
Plant Type Herb
Short Description Hay containing fiddleneck is poisonous to livestock
Weed Can be
rigid fiddleneck (Amsinckia retrorsa)Amsinckia retrorsa
Common Names rigid fiddleneck
Family Borage
Flower Color Goldenrod
Location Lower Owyhee River, OR
Native No
Weed Yes
Pearly Everlasting (Anaphalis margaritacea)Anaphalis margaritacea
Common Names pearly everlasting
Family Composites, Sunflower
Flower Color White
Plant Type Herb
Location McCall
Native Yes
Weed No
Piper's anemone, windflower (Anemone piperi)
Anemone piperi
Common Names Piper's anemone, windflower
Family Buttercup
Flower Color White
Plant Type Herb
Location McCall
Native Yes
Weed No
Pearly Pussytoes (Antennaria anaphaloides)Antennaria anaphaloides
Common Names pearly pussytoes
Family Composites, Sunflower
Flower Color White, yellow
Plant Type Herb
Location McCall
Native Yes
Weed No
Dogbane, spreading dogbane (Apocynum androsaemifolium)Apocynum androsaemifolium
Common Names spreading dogbane, dogbane
Family Dogbane
Flower Color Pink
Plant Type Herb
Short Description Poisonous juice.
Native Yes
Weed Noxious
hemp dogbane (Apocynum cannabinum L.)Apocynum cannabinum L.
Common Names hemp dogbane
Family Dogbane
Flower Color White
Weed Noxious
rocky mountain red columbine(Aquilegia formosa) Aquilegia formosa
Common Names rocky mountain red columbine
Family Buttercup
Flower Color Red
Plant Type Herb
Native Yes
Weed No
purple threeawn grass (Aristida purpurea)
Aristida purpurea
Common Names purple threeawn grass
Family Grass
Flower Color Purple, Green
Plant Type Grass
Native Yes
Weed No
Heart-leafed Arnica (Arnica cordifolia)Arnica cordifolia
Common Names heart-leafed arnica
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Short Description Leaves: Heart shaped
Location McCall
Native Yes
Weed No
silver sagebrush (Artemisia cana Pursh)Artemisia cana Pursh
Common Names silver sagebrush
Family Sunflower
Short Description perennial
Native Yes
tarragon (Artemisia dracunculus )Artemisia dracunculus
Common Names tarragon
Family Sunflower
Plant Type Shrub
Native Yes
wormwood, white sage brush (Artemisia ludoviciana )Artemisia ludoviciana
Common Names wormwood, white sage brush
Family Sunflower
Plant Type Shrub
Native Yes
white sagebrush (Artemisia ludoviciana ssp. ludoviciana)Artemisia ludoviciana ssp. ludoviciana
Common Names white sagebrush
Family Composites, Sunflower
Location Snake River
Native Yes
Weed No
big sage, sagebrush, big sagebrush (Artemisia tridentata)
Artemisia tridentata
Common Names big sage, sagebrush, big sagebrush
Family Composites, Sunflower
Flower Color Yellow
Plant Type Shrub
Location McCall
Native Yes
Watershed Malheur, Owyhee, Snake, Weiser
Weed No
showy milkweed (Asclepias speciosa)
Asclepias speciosa
Common Names showy milkweed
Family Milkweed
Flower Color Pink, purple
Plant Type Herb
Location Hoover Road, Mann Creek, ID
Native Yes, Yes
Weed Can be
showy aster, alpine aster, mountain aster (Aster alpigenus var. haydenii)Aster alpigenus var. haydenii
Common Names showy aster, alpine aster, mountain aster
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Location McCall
Native Yes
Weed No
curvepod milkvetch (Astragalus curvicarpus)
Astragalus curvicarpus
Common Names curvepod milkvetch, sickle milkvetch
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
threadstalk milkvetch, basalt milkvetch (Astragalus filipes)
Astragalus filipes
Common Names threadstalk milkvetch, basalt milkvetch
Family Legume or Pea
Flower Color Yellow
Plant Type Forb
Native Yes
Weed Yes
Mulford's milkvetch (Astragalus mulfordiae)Astragalus mulfordiae
Common Names Mulford's milkvetch
Family Legume or Pea
Flower Color Purple, white
Plant Type Herb
Native Yes
Weed No
fourwing saltbrush (Atriplex canescens )Atriplex canescens
Common Names fourwing saltbrush
Family Goosefoot
Plant Type Shrub
Native Yes
shadscale saltbush (Atriplex confertifolia )Atriplex confertifolia
Common Names shadscale saltbush
Family Goosefoot
Plant Type Shrub
Native Yes
hairy balsamroot (Balsamorhiza hirsuta)

Balsamorhiza hirsuta
Common Names hairy balsamroot
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Short Description Perennial
Native Yes
Hooker's Balsamroot (Balsamorhiza hookeri)
Balsamorhiza hookeri
Common Names Hooker's balsamroot
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Elevation 2400', 3300'
Location Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
Arrowleaf Balsamroot (Balsamorhiza sagittata)Balsamorhiza sagittata
Common Names arrowleaf balsamroot
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Elevation 2500'
Location Mann Creek, ID, McCall
Native Yes
Weed No
forage kochia(Bassia prostrata)Bassia prostrata
Common Names forage kochia
Family Goosefoot
Flower Color Green, Red
Introduced Yes
Weed No
Western birch (Betula occidentalis) is usually a shrub, occasionally a small tree found along stream margins.Betula occidentalis
Common Names western birch
Family Birch
Plant Type Tree
Weed No
devil's beggarticks, leafy beggarticks, or leafy sticktight (Bidens frondosa)Bidens frondosa
Common Names devil's beggarticks, leafy beggarticks, leafy sticktight
Family Composites, Sunflower
Plant Type Shrub
Location Ontario, OR
Native No
Weed Yes
rough eyelashweed (Blepharipappus scaber)Blepharipappus scaber
Common Names rough eyelashweed
Family Composites, Sunflower
Flower Color White
Location Jordan Valley. ID
Native Yes
black mustard (Brassica nigra)Brassica nigra
Common Names black mustard
Family Mustard
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
brickellbush (Brickellia Ell)Brickellia Ell.
Common Names brickellbush
Family Sunflower
littleleaf brickelbush, small-leaved brickellia (Brickellia microphylla)
Brickellia microphylla
Common Names littleleaf brickelbush, small-leaved brickellia
Family Composites, Sunflower
Flower Color Green-white
Plant Type Shrub
brodiaea, Douglas' brodiaea (Brodiaea douglasii)
Brodiaea douglasii
Common Names brodiaea, Douglas' brodiaea
Family Lily
Flower Color Purple, blue
Native Yes
Weed No
Cheat grass (Bromus tectorum)Bromus tectorum
Common Names cheat grass, downy brome
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
butterfly bush (Buddleja sp.)
Buddleja sp.
Common Names butterfly bush
Family Butterfly bush
Plant Type Shrub
Native No
Weed Yes
wide-fruit mariposa lily(Calochortus eurycarpus)Calochortus eurycarpus
Common Names wide-fruit mariposa lily
Family Lily
Flower Color White-pale pink
Native Yes
Weed No
Sego Lily (Calochortus nuttallii)
Calochortus nuttallii
Common Names sego lily
Family Lily
Flower Color White
Plant Type Forb
Native Yes
Weed No
calypso orchid, fairy slipper (Calypso bulbosa )

Calypso bulbosa
Common Names calypso orchid, fairy slipper
Family Orchid
Flower Color Pink, purple
Plant Type Forb
Location McCall
Native Yes
Weed No
camas, black camas (Camassia quamash)
Camassia quamash
Common Names camas, black camas
Family Lily
Flower Color Blue
Location Mann Creek Res. ID, McCall
Native Yes
Weed No
Booths evening-primrose(Camissonia boothii )Camissonia boothii
Common Names Booths evening-primrose
Family Evening Primrose
Plant Type Forb
Native Yes
club fruit (Camissonia claviformus)
Camissonia claviformus
Common Names club fruit
Family Evening Primrose
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
shepherds purse (Capsella bursa-pastoris)Capsella bursa-pastoris
Common Names shepherd's purse
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, Nyssa, OR, Ontario, OR
Native No
Weed Yes
hoary cress, whitetop (Cardaria spp.)
Cardaria spp.
Common Names hoary cress, whitetop
Family Mustard
Flower Color White
Plant Type Herb
Native No
Weed Noxious
musk thistle (Carduus nutans)Carduus nutans
Common Names musk thistle
Family Sunflower
Flower Color Purple
Plant Type Forb
Introduced Yes
Weed Yes
White Mountain Heather (assiope mertensiana)Cassiope mertensiana
Common Names white mountain heather
Family Heath
Flower Color White
Plant Type Shrub
Short Description small, white, bell-like flowers
Native Yes
Weed No
Cusick's Indian paintbrush (Castilleja cusickii)
Castilleja cusickii
Common Names Cusick's Indian paintbrush
Family Figwort or Snapdragon
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
Indian Paintbrush (Castilleja miniata)
Castilleja miniata
Common Names Indian Paintbrush
Family Figwort or Snapdragon
Flower Color Orange, faded
Plant Type Herb
Short Description Rare in camp.
Location McCall
Native Yes
Weed No
buckbrush, snowbush (Ceanothus velutinus)
Ceanothus velutinus
Common Names buckbrush, snowbush
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
Native Yes
Weed No
netleaf hackberry (Celtis reticulata)
Celtis reticulata
Common Names netleaf hackberry
Family Elm
Flower Color Green
Plant Type Tree
diffuse knapweed (Centaurea diffusa)
Centaurea diffusa
Common Names diffuse knapweed
Family Composites, Sunflower
Flower Color Light Pink
Plant Type Forb
Native No
Weed No
spotted knapweed (Centaurea maculosa)Centaurea maculosa
Common Names spotted knapweed
Family Sunflower
Plant Type Forb
Native No
Weed Yes
yellow starthistle (Centaurea solstitialis)Centaurea solstitialis
Common Names yellow starthistle
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Native No
Weed Yes
curlleaf mountain-mahogany (Cercocarpus ledifolius)
Cercocarpus ledifolius
Common Names curlleaf mountain-mahogany
Family Rose
Flower Color Green-white
Plant Type Evergreen shrub
Native Yes
Douglas false yarrow, Douglas' dustymaiden (Chaenactis douglasii)
Chaenactis douglasii
Common Names Chaenactis, Douglas false yarrow, Douglas' dustymaiden
Family Composites, Sunflower
Flower Color White to pink
Plant Type Herb
prostate spurge, milk spurge (Chamaesyce maculata)
Chamaesyce maculata
Common Names prostate spurge, milk spurge
Family Spurge
Plant Type Forb
Native Yes
Weed Yes
Prince's-Pine (Chimaphila umbellata)
Chimaphila umbellata
Common Names Prince's-Pine
Family Heath
Flower Color Pink, rose
Plant Type Shrub
Short Description Very short shrubby perenial.
Location McCall
Native Yes
Weed No
Tweedy's snowlover (Chionophila tweedyi)
Chionophila tweedyi
Common Names Tweedy's snowlover
Family Figwort or Snapdragon
Flower Color Pale lavender
Plant Type Forb
Short Description Tweedy's snowlover is a very common understory plant at elevations of 7,500 to 9,000 feet in the Central Mountains of Idaho.
rush skeletonweed (Chondrilla juncea)
Chondrilla juncea
Common Names rush skeletonweed
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
blue mustard, tenella mustard, purple mustard (Chorispora tenella)
Chorispora tenella
Common Names blue mustard, tenella mustard, purple mustard, crossflower
Family Mustard
Flower Color blue - purple
Plant Type Forb
Introduced Yes
Location Ontario, OR
Native No
Weed Noxious
rabbitbrush, rubber rabbitbrush (Chrysothamnus nauseosus)
Chrysothamnus nauseosus
Common Names gray rabbitbrush, rubber rabbitbrush
Family Composites, Sunflower
Flower Color Yellow
Plant Type Shrub
Location McCall
Native Yes
Weed No
green rabbitbrush (Chrysothamnus viscidiflorus)Chrysothamnus viscidiflorus
Common Names green rabbitbrush
Family Composites, Sunflower
Flower Color Yellowish
Plant Type Shrub
Native Yes
Weed Yes
chicory (Cichorium intybus)
Cichorium intybus
Common Names chicory
Family Composites, Sunflower
Flower Color Blue
Plant Type Herb
Location McCall
Native No
Weed Can be
water hemlock (Cicuta douglasii)Cicuta douglasii
Common Names water hemlock
Family Parsley
Flower Color White
Plant Type Herb
Short Description Poisionous plant, wet soil. Leaves: 1-3 times pinnate
Location McCall
Weed Noxious
Canada thistle (Cirsium arvense)
Cirsium arvense
Common Names Canada thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Perennial, deep-seated creeping underground roots. Leaves: Spiny, pinnatifid
Location McCall
Native No
Weed Noxious
Utah thistle (Cirsium utahense)Cirsium utahense
Common Names Utah thistle
Family Composites, Sunflower
Flower Color White
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
bull thistle (Cirsium vulgare)
Cirsium vulgare
Common Names bull thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Biennial.
Location McCall
Native No
Weed Noxious
pinkfairies, pink fairies, deer horn, ragged robin, elkhorn clarkia (Clarkia pulchella)Clarkia pulchella
Common Names pinkfairies, pink fairies, deer horn, ragged robin, elkhorn clarkia
Family Evening Primrose
Flower Color Pink, purple
Plant Type Herb
Elevation 2900'
Location Jenkins Rd. north of Weiser ID
Native Yes
Weed No
spring beauty(Claytonia lanceolata)Claytonia lanceolata
Common Names spring beauty
Family Purslane
Flower Color White to pink
Plant Type Herb
Native Yes
Weed No
blue clematis (Clematis columbiana)
Clematis columbiana
Common Names blue clematis
Family Buttercup
Flower Color Blue
Plant Type Vine
Location McCall
Native Yes
Weed No
virgin's bower, western clematis (Clematis ligusticifolia)
Clematis ligusticifolia
Common Names virgin's bower, western clematis
Family Buttercup
Flower Color White, yellow
Plant Type Vine
Native Yes
Weed No
cleomella (Cleomella macbrideana)Cleomella macbrideana
Common Names Cleomella
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
Yellow Beeplant (Cleome lutea)Cleome lutea
Common Names yellow beeplant, yellow spiderflower
Family Caper
Flower Color Yellow
Plant Type Herb
Location Lower Owyhee River, OR
Native Yes
Weed Can be
golden beeplant, golden spiderflower (Cleome platycarpa)Cleome platycarpa
Common Names golden beeplant, golden spiderflower
Family Caper
Flower Color Brilliant Yellow
Elevation 3200'
Location Jenkins Rd. north of Weiser ID
Native Yes
rocky mountain beeplant (Cleome serrulata)
Cleome serrulata
Common Names rocky mountain beeplant
Family Caper
Flower Color Purple
Plant Type Herb
Location Malheur River Plain, west of Vale, OR
Native Yes
Weed Can be
Clintonia, Queen's Cup (Clintonia uniflora)Clintonia uniflora
Common Names Clintonia, Queen's Cup
Family Lily
Flower Color Waxy white
Plant Type Forb
Short Description Short perennial, usually has single flowers.
Location McCall
Native Yes
Weed No
Blue-eyed Mary (Collinsia parviflora)
Collinsia parviflora
Common Names Blue-eyed Mary
Family Figwort or Snapdragon
Flower Color Blue and white
Plant Type Herb
Short Description Very small plant, flowers.
Elevation 3300'
Location McCall, Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
grand collomia (Collomia grandiflora)Collomia grandiflora
Common Names grand collomia, large-flowered collomia
Family Phlox
Flower Color White, Orange
Plant Type Forb
Native
narrow-leaf collomia or tiny trumpet (Collomia linearis)Collomia linearis
Common Names narrow-leaf collomia, tiny trumpet
Family Phlox
Flower Color light purple
Plant Type Forb
Elevation 4150'
Location Jenkins Rd. north of Weiser ID
Native Yes
Weed No
bastard toadflax (Comandra umbellata)Comandra umbellata
Common Names bastard toadflax
Plant Type Forb
Short Description
Native Yes
Poison Hemlock (Conium maculatum)Conium maculatum
Common Names poison hemlock
Family Parsley
Flower Color White
Plant Type Herb
Weed Yes
Field bindweed (Convolvulus arvensis)Convolvulus arvensis
Common Names Field bindweed
Family Morningglory
Flower Color White/Purple
Plant Type Herb
Introduced Europe
Weed Yes
horseweed (Conyza canadensis)Conyza canadensis
Common Names horseweed
Family Sunflower
Plant Type Forb
Native North America grasslands
Corallorhiza maculata
Common Names spotted coral-root
Family Orchid
Flower Color Brown, red, white
Short Description Saprophyte, forest floor. Leaves: No green leaves
Location McCall
Native Yes
Weed No
Corallorhiza trifida
Common Names early coral-root
Family Orchid
Flower Color Yellowish
Short Description Saprophyte, forest floor. Leaves: No green leaves
Location McCall
Native Yes
Weed No
red-osier dogwood(Cornus stolonifera)
Cornus stolonifera
Common Names red-osier dogwood
Family Dogwood
Flower Color White
Plant Type Shrub
Short Description Red branched shrub.
Location McCall
Native Yes
Weed No
black hawthorn (Crateagus douglasii)Crateagus douglasii
Common Names black hawthorn
Family Rose
Flower Color Green, Red
Elevation 3800'
Location Jenkins Rd. north of Weiser ID
Native Yes
tapertip hawksbeard, longleaf hawksbeard, long-leafed hawksbeard
(Crepis acuminata)
Crepis acuminata
Common Names tapertip hawksbeard, longleaf hawksbeard, long-leafed hawksbeard
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Native Yes
Low hawksbeard, modoc hawksbeard(Crepis modocensis)Crepis modocensis
Common Names low hawksbeard, modoc hawksbeard
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Matted Cryptantha (Cryptantha circumscissa)Cryptantha circumscissa
Common Names matted cryptantha
Family Borage
Flower Color White
Plant Type Herb
Watershed Owyhee
cryptantha (Cryptantha glomerata)
Cryptantha glomerata
Common Names cryptantha
Family Borage
Flower Color White
Plant Type Herb
Native Yes
Weed No
cryptantha (Cryptantha sp.)
Cryptantha sp.
Common Names cryptantha
Family Borage
Flower Color White
Plant Type Shrub
dodder (cuscuta sp.)Cuscuta sp.
Common Names dodder
Family Morningglory
Flower Color White, cream
Plant Type Vine
Weed Yes
plains cymopterus, plains springparsley (Cymopterus acaulis)Cymopterus acaulis
Common Names plains cymopterus, plains springparsley
Family Parsley
Flower Color Brilliant Yellow
Plant Type Herb
Location Lower Owyhee River, OR
Native Yes
Hayden's cymopterus (Cymopterus bipinnatus)Cymopterus bipinnatus
Common Names Hayden's cymopterus
Family Parsley
Flower Color White
Elevation 2400'
Location Mann Creek, ID
Native Yes
Yellow Nutsedge (Cyperus esculentus)Cyperus esculentus
Common Names yellow nutsedge
Family Sedge
Flower Color Yellowish
Plant Type Sedge
Native No
Weed Noxious
mountain lady's slipper(Cypripedium montanum)Cypripedium montanum
Common Names mountain lady's slipper
Family Orchid
Flower Color Brown and White
Plant Type Forb
Native Yes
Weed No
Blue Mountain prairie clover, Western prairie clover (Dalea ornata)
Dalea ornata
Common Names Blue Mountain prairie clover, Western prairie clover
Family Legume or Pea
Flower Color Pink, purple
Plant Type Herb
Native Yes
Weed No
Searl's prairie clover (Dalea searlsiae)
Dalea searlsiae
Common Names Searl's prairie clover
Family Legume or Pea
Flower Color Purple
Plant Type Forb
sacred datura, angel's trumpet (Datura innoxia)
Datura innoxia
Common Names sacred datura, angel's trumpet
Family Potato
Flower Color White
Plant Type Forb
Native Yes
Weed Yes
Jimsonweed (Datura stramonium)
Datura stramonium
Common Names Jimsonweed
Family Potato
Flower Color White/Purple
Plant Type Shrub
Introduced Yes
Queen Anne's lace, Wild Carrot (Daucus carota)Daucus carota
Common Names Queen Anne's lace, wild carrot
Family Parsley
Flower Color White
Plant Type Herb
blue larkspur (Delphinium bicolor)
Delphinium bicolor
Common Names blue larkspur, little larkspur, bicolor larkspur
Family Buttercup
Flower Color Blue
Plant Type Herb
Elevation 3300'
Location Midvale Hill between Mann Creek and Midvale, ID
Native Yes
Weed No
Flixweed (Descurainia sophia)
Descurainia sophia
Common Names flixweed
Family Mustard
Flower Color Yellow
Plant Type Forb
Weed Noxious
Descurainia sp.
Common Names tansy mustard
Family Mustard
Flower Color Yellow
Plant Type Herb
Location McCall
Steer's head (Dicentra uniflora)Dicentra uniflora
Common Names steer's head
Family Bleeding Heart
Flower Color White
Plant Type Herb
Native Yes
Weed No
Hairy crabgrass (Digitaria sanguinalis)Digitaria sanguinalis
Common Names hairy crabgrass
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
common teasel (Dipsacus fullonum)
Dipsacus fullonum
Common Names common teasel
Family Teasel
Flower Color Brown - purple
Plant Type Shrub
Introduced Europe
alkali saltgrass (Distichlis stricta )Distichlis stricta
Common Names alkali saltgrass
Family Grass
Plant Type Grass
Short Description
Native Yes
Jeffrey's shooting star (Dodecatheon jeffreyi)

Dodecatheon jeffreyi
Common Names Jeffrey's shooting star
Family Primrose
Flower Color Pink, purple
Plant Type Herb
Native Yes
Weed No
shootingstar (Dodecatheon pulchellum)
Dodecatheon pulchellum
Common Names shootingstar
Family Primrose
Flower Color Purple
Plant Type Herb
Native Yes
Weed No
showy downiniga (Downiniga elegans)
Downiniga elegans
Common Names showy downiniga
Family Harebell
Flower Color Purple
Plant Type Herb
Native Yes
Weed No
spring whitlow-grass, spring draba (Draba verna)Draba verna
Common Names spring Whitlow-grass, spring draba
Family Mustard
Flower Color White, yellow
Plant Type Grass
Short Description Plant 2-3 cm. Widely dispersed.
Elevation 3300'
Location Midvale Hill between Mann Creek and Midvale, ID, Ontario, OR
Native Yes
Barnyard grass (Echinochloa muricata) Echinochloa muricata
Common Names barnyard grass
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
wild cucumber (Echinoeysis lobata)
Echinocystis lobata
Common Names wild cucumber
Family Cucurbit
Flower Color Cream white
Plant Type Vine
Native Yes
Weed Can be
Russian Olive (Elaeagnus angustifolia)
Elaeagnus angustifolia
Common Names Russian Olive
Family Oleaster
Plant Type Tree
Native No
Weed Yes
squirreltail (Elymus elymoides)Elymus elymoides
Common Names squirreltail
Family Grass
Plant Type Grass
Location Juniper Ridge, OR
Native Yes
fireweed (Epilobium angustifolium)

Epilobium angustifolium
Common Names fireweed
Family Evening Primrose
Flower Color Purple
Plant Type Herb
Location McCall
Native Yes
Weed No
panicle willowweed (Epilobium brachycarpum)
Epilobium brachycarpum
Common Names panicle willowweed
Family Evening Primrose
Flower Color Purple, white
Plant Type Forb
Weed Yes
Epilobium watsonii
Common Names Watson's willow -herb
Family Evening Primrose
Flower Color Purple
Plant Type Herb
horsetail (Equisetum arvense)
Equisetum arvense
Common Names horsetail
Family Horsetail
Flower Color -none-
Plant Type Forb
Location McCall
Native Yes
Weed No
Scouringrush (Equisetum hyemale)Equisetum hyemale
Common Names scouringrush
Family Horsetail
Flower Color Brown
Plant Type Forb
Native Yes
Weed Yes
turkey mullein, doveweed (Eremoearpus setigerus)Eremoearpus setigerus
Common Names turkey mullein, doveweed
Family Spurge
Flower Color Light Green
Plant Type Forb
Native Yes
basin rayless daisy, rayless fleabane (Erigeron concinnus var. aphanactis)
Erigeron concinnus var. aphanactis
Common Names basin rayless daisy, rayless fleabane, rayless shaggy fleabane
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Native Yes
Weed No
Wooly Daisy (Erigeron divergens)Erigeron divergens
Common Names Wooly Daisy
Family Composites, Sunflower
Flower Color Pale lavender
Plant Type Herb
Native Yes
Weed No
northern buckwheat, arrowleaf buckwheat (Eriogonum compositum)Eriogonum compositum
Common Names northern buckwheat, arrowleaf buckwheat
Family Buckwheat
Flower Color White, cream
Elevation 2850'
Location Jenkins Rd. north of Weiser ID
Native Yes
yellow buckwheat (Eriogonum flavum)

Eriogonum flavum
Common Names yellow buckwheat
Family Buckwheat
Flower Color Yellow, red
Plant Type Shrub
Native Yes
Weed No
cushion buckwheat, oval-leafed eriogonum (Eriogonum ovalifolium)
Eriogonum ovalifolium
Common Names cushion buckwheat, oval-leafed eriogonum
Family Buckwheat
Flower Color Cream white
Plant Type Shrub
Native Yes
Weed No
blue mountain buckwheat (Eriogonum strictum)Eriogonum strictum
Common Names strict buckwheat, blue mountain buckwheat
Family Buckwheat
Flower Color White-pale pink
Plant Type Shrub
Short Description Very low growing.
Location Jordan Valley. ID
Native Yes
Weed No
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sulfur-flowered buckwheat, sulfur buckwheat (Eriogonum umbellatum)