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Malheur Experiment Station
Oregon State University

Plants by Common Name where Introduced includes Yes


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Amaranth (Amaranthus)amaranth
Scientific Name Amaranthus
Family Amaranth
Flower Color Green
Introduced Yes
Barnyard grass (Echinochloa muricata) barnyard grass
Scientific Name Echinochloa muricata
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
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
black mustard (Brassica nigra)black mustard
Scientific Name Brassica nigra
Family Mustard
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
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
Weed Noxious
Cheat grass (Bromus tectorum)cheat grass
Scientific Name Bromus tectorum
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed 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
Common rye (Secale cereale)common rye
Scientific Name Secale cereale
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
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
Cheat grass (Bromus tectorum)downy brome
Scientific Name Bromus tectorum
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
forage kochia(Bassia prostrata)forage kochia
Scientific Name Bassia prostrata
Family Goosefoot
Flower Color Green, Red
Introduced Yes
Weed No
Puncturevine (Tribulus terrestris L.)goathead
Scientific Name Tribulus terrestris L.
Flower Color Yellow
Plant Type Forb
Introduced Yes
Green foxtail (Setaria viridis)green foxtail
Scientific Name Setaria viridis
Family Grass
Flower Color Green, mixed
Plant Type Grass
Introduced Yes
Hairy crabgrass (Digitaria sanguinalis)hairy crabgrass
Scientific Name Digitaria sanguinalis
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
hairy night shade (Solanum sarrachoides)hairy night shade
Scientific Name Solanum sarrachoides
Family Potato
Plant Type Forb
Short Description There berries are Green, brown, and yellow when matured.
Introduced Yes
Halogeton (Halogeton glomeratus)halogeton
Scientific Name Halogeton glomeratus
Family Goosefoot
Flower Color Green-white
Plant Type Forb
Introduced Yes
Weed Yes
henbit, henbit deadnettle (Lamium amplexicaule)henbit
Scientific Name Lamium amplexicaule
Family Mint
Flower Color Purple
Plant Type Forb
Introduced Yes
henbit, henbit deadnettle (Lamium amplexicaule)henbit deadnettle
Scientific Name Lamium amplexicaule
Family Mint
Flower Color Purple
Plant Type Forb
Introduced Yes
knot bindweed, black bindweed, ivy bindweed, climbing bindweed (Polygonum convolvulus)
ivy bindweed
Scientific Name Polygonum convolvulus
Family Buckwheat
Plant Type Forb
Introduced Yes
Weed Yes
Jimsonweed (Datura stramonium)
Jimsonweed
Scientific Name Datura stramonium
Family Potato
Flower Color White/Purple
Plant Type Shrub
Introduced Yes
knot bindweed, black bindweed, ivy bindweed, climbing bindweed (Polygonum convolvulus)
knot bindweed
Scientific Name Polygonum convolvulus
Family Buckwheat
Plant Type Forb
Introduced Yes
Weed Yes
leafy spurge (Euphorbia esula)leafy spurge
Scientific Name Euphorbia esula
Family Spurge
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
Medusahead rye (Taeniatherum caput-medusae)medusahead rye
Scientific Name Taeniatherum caput-medusae
Family Grass
Flower Color Green-yellow
Plant Type Grass
Introduced Yes
Weed Yes
Puncturevine (Tribulus terrestris L.)Mexican sandbur
Scientific Name Tribulus terrestris L.
Flower Color Yellow
Plant Type Forb
Introduced Yes
moth mullein (Verbasum blattaria)moth mullein
Scientific Name Verbasum blattaria
Family Figwort or Snapdragon
Flower Color White/Purple
Introduced Yes
Weed No
wild barley, mouse barley (Hordeum leporinum)
mouse barley
Scientific Name Hordeum leporinum
Family Grass
Plant Type Grass
Introduced Yes
musk thistle (Carduus nutans)musk thistle
Scientific Name Carduus nutans
Family Sunflower
Flower Color Purple
Plant Type Forb
Introduced Yes
Weed Yes
perennial pepperweed (Lepidium latifolium L) 
perennial pepperweed
Scientific Name Lepidium latifolium L
Family Mustard
Flower Color White, cream
Plant Type Forb
Introduced Yes
petty spurge (Euphorbia peplus)
petty spurge
Scientific Name Euphorbia peplus
Family Spurge
Plant Type Forb
Introduced Yes
Weed Yes
prickly lettuce, compass plant (Lactuca serriola )
prickly lettuce
Scientific Name Lactuca serriola
Family Composites, Sunflower
Flower Color Yellow
Plant Type Herb
Introduced Yes
Weed Yes
Puncturevine (Tribulus terrestris L.)puncturevine
Scientific Name Tribulus terrestris L.
Flower Color Yellow
Plant Type Forb
Introduced Yes
blue mustard, tenella mustard, purple mustard (Chorispora tenella)
purple mustard
Scientific Name Chorispora tenella
Family Mustard
Flower Color blue - purple
Plant Type Forb
Introduced Yes
Weed Noxious
rush skeletonweed (Chondrilla juncea)
rush skeletonweed
Scientific Name Chondrilla juncea
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Introduced Yes
Weed Yes
Russian knapweed (Acroptilon repens)
 Russian knapweed
Scientific Name Acroptilon repens
Family Composites, Sunflower
Flower Color Pink, rose
Plant Type Shrub
Introduced Yes
Weed Yes
strawberry clover (Trifolium fragiferum ) strawberry clover
Scientific Name Trifolium fragiferum
Family Legume or Pea
Flower Color Light Pink
Plant Type Forb
Introduced Yes
Weed No
Puncturevine (Tribulus terrestris L.)tackweed
Scientific Name Tribulus terrestris L.
Flower Color Yellow
Plant Type Forb
Introduced Yes
blue mustard, tenella mustard, purple mustard (Chorispora tenella)
tenella mustard
Scientific Name Chorispora tenella
Family Mustard
Flower Color blue - purple
Plant Type Forb
Introduced Yes
Weed Noxious
Puncturevine (Tribulus terrestris L.)Texas sandbur
Scientific Name Tribulus terrestris L.
Flower Color Yellow
Plant Type Forb
Introduced Yes
tumble mustard(Sisymbrium altissimum)tumble mustard
Scientific Name Sisymbrium altissimum
Family Mustard
Flower Color Yellowish
Plant Type Forb
Introduced Yes
Weed Yes
velvetleaf (Abutilon theophrasti )velvetleaf
Scientific Name Abutilon theophrasti
Family Mallow
Flower Color Yellow
Plant Type Shrub
Introduced Yes
Weed No
white sweetclover (Melilotus alba)
white sweetclover
Scientific Name Melilotus alba
Family Legume or Pea
Flower Color White
Plant Type Forb
Introduced Yes
wild barley, mouse barley (Hordeum leporinum)
wild barley
Scientific Name Hordeum leporinum
Family Grass
Plant Type Grass
Introduced Yes
yellow sweetclover (Melilotus officinalis )
yellow sweetclover
Scientific Name Melilotus officinalis
Family Legume or Pea
Flower Color Yellow
Plant Type Herb
Introduced Yes
Weed Yes

For additional information please send an e-mail request to:
Dr. Clinton C. Shock
Clinton.Shock@oregonstate.edu

Malheur Agricultural Experiment Station
595 Onion Avenue
Ontario, OR 97914
(541) 889-2174
FAX (541) 889-7831

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