= Poisonous to animal and/or
human
= Noxious or Invasive in Oregon
= Crop weed in Oregon
= Federal Noxious weed in Oregon
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
G. Kleinköpfige
Rispen-Flockenblume Centaurea Stoebe syn
Centaurea rhenana
Garden Cornflower Centaurea cyanus L
Garden Nep Nepeta cataria
Gardener's garters Phalaris arundinacea
Gardener's garters Phalaris arundinacea var Picta syn
Pharalis arundinaera var picta
Geeldissel Centaurea
solstitialis syn Leucantha solstitialis
Gemeiner Bocksdorn, Gou Qi di, Lycium fruit, Matrimony vine, Ning xia gou qi, Wolfberry Lycium barbarum Syn Lycium megistocarpum, Lycium
lanceolatum, Lycium halimifolium, Lycium europaeum, Lycium vulgare
Gerbera Gerbera Spp.
Gewöhnlicher Froschlöffel Alisma plantago-aquatica
Gewone Braam Rubus fruticosis
Gewone Rolklaver Lotus
corniculatus L. syn Lotus corniculatus L., Lotus ambiguus, Lotus balticus,
Lotus carpetanus, Lotus corniculatus subsp. major, Lotus corniculatus var. major, Lotus
komarovii, Lotus major , Lotus olgae, Lotus peczoricus, Lotus ruprechtii, Lotus tauricus,
Lotus ucrainicus, Lotus zhegulensis, Trigonella corniculatus L.
Giant Bulrush or Giant Sedge
Scirpus californicus
Giant reed Phragmites australis
Gevinde kortsteel Brachypodium pinnatum syn:
Bromus pinnatus
Glasswort Salsola tragus L. syn S.
iberica, S. australis, S. kali, S. kali L. ssp. ruthenica, S. kali L. ssp. tragus L., S.
kali L. ssp. tenuifolia, S. pestifer, S. ruthenica
Go-to-bed-at-noon and Goat's Beard - Tragopogon
dubius, syn T. pratensis, T. dubius subsp. campestris, T.
major
Goatsbeard - Tragopogon porrifolius
Gobernadora Larrea tridentata syn Kunzia tridentata, Purshia
tridentata
Gol Duguncicegi - Ranunculus
sceleratus L.
Gold cup Ranunculus acris
Gold fields or Gold star
Crocidium multicaule
Gold-bell Fritillaria pudica
Golden Buckwheat or Goldencarpet
Buckwheat - Eriogonum luteolum
Golden Rabbitbrush Ericameria nauseosa syn Chrysothamnus nauseosus
Golden star thistle Centaurea
solstitialis syn Leucantha solstitialis Eriogonum luteolum or Eriogonum
vimineum
Golden weed Machaeranthera gracilis syn Aplopappus
gracilis, Dieteria gracilis Nutt., Haplopappus gracilis, Haplopappus
ravenii, Sideranthus gracilis
Goose grass Galium aparine
Gooseberry Ribes hirtellum
Goosefoot
violet Viola purpurea ssp. integrifolia
Gou Qi di Lycium barbarum Syn Lycium
megistocarpum, Lycium lanceolatum, Lycium halimifolium, Lycium europaeum, Lycium vulgare
Grand collomia
Collomia grandiflora
Grants Pass willowherb Epilobium
oreganum
Grass-Leaf Tansy-Aster
Machaeranthera gracilis syn Aplopappus gracilis, Dieteria gracilis
Nutt., Haplopappus gracilis, Haplopappus ravenii, Sideranthus gracilis
Grass roseau Phragmites australis
Gray Cushion Pussytoes Antennaria dimorpha syn Antennaria
dimorpha var. integra, Antennaria dimorpha var. latisquama, Antennaria dimorpha var.
macrocephala, Antennaria latisquama, Antennaria macrocephala, Gnaphalium dimorphum
Gray dock Balsamorhiza sagittata
Greasewood Larrea tridentata syn Kunzia tridentata, Purshia
tridentata
Greasewood Sarcobatus vermiculatus (Hook.) Torr.
Great Basin Sagebrush Artemisia tridentata
Great Swamp Groundsel Senecio hydrophilus
Great Water-plantain Alisma plantago-aquatica
Green algae Oedogonium or Spyrogyra
Green amaranth Amaranthus lividus
Greenleaf Manzanita, Green-leaved Manzanita
Arctostaphylos patula syn Arctostaphylos acutifolia, Arctostaphylos patula Greene
var. coalescens, Arctostaphylos parryana Lemmon var. pinetorum, Arctostaphylos patula
Greene ssp. platyphylla
Grey Rabbitbrush Ericameria nauseosa syn Chrysothamnus nauseosus
Grey-leaf Desert Parsley Lomatium
macrocarpum
Grote Egelskop Sparganium Erectum
Grote
Kaardebol Dipsacus fullonum L. syn Dipsacus fullonum L. ssp. sylvestris,
Dipsacus sylvestris
Ground honeysuckle Lotus
corniculatus L. syn Lotus corniculatus L., Lotus ambiguus, Lotus balticus,
Lotus carpetanus, Lotus corniculatus subsp. major, Lotus corniculatus var. major, Lotus
komarovii, Lotus major , Lotus olgae, Lotus peczoricus, Lotus ruprechtii, Lotus tauricus,
Lotus ucrainicus, Lotus zhegulensis, Trigonella corniculatus L.
Groundsel Senecio aronicoides
Groundsel Senecio integerrimus var.
exaltatus
Guimauve Malva neglecta
Hab Al A'Lam Solanum dulcamara
Hairy Cat's Ear Hypochaeris Radicata
Hairy Willowherb Epilobium ciliatum syn
Epilobium glandulosum or Epilobium watsonii
Hard Tack Cercocarpus betuloides
Harsh Paintbrush Castilleja miniata
Hashishat Al Ger'An Polygonum hydropiper syn
Polygonum fastigiatoramosum, Polygonum maximowiczii, Persicaria
fastigiatoramosa, Persicaria hydropiper L.
Hawk's-Beard Crepis capillaris syn Crepis
virens L.
Heart-podded hoary cress Lepidium draba L. syn Cardaria draba
Heath false brome Brachypodium pinnatum syn:
Bromus pinnatus
Hedge Pink Saponaria Officinalis
Helwa Morrah Solanum dulcamara
Hen and Chicks Echeveria elegans Synonyms: Oliverella
elegans, Echeveria perelegans
Hendibeh Cichorium intybus L. syn
Cichorium intybus var. foliosum, Cichorium intybus var. sativum
Herb-sophia Descurainia sophia
Herba Cataria or Herba
Catti Nepeta cataria
Herbaceous Sage Artemisia ludoviciana
Hierba De Los Cirujanos Descurainia sophia Syn
Sisymbrium sophia
High mallow Zinnia spp.
Hindiba Cichorium intybus L. syn
Cichorium intybus var. foliosum, Cichorium intybus var. sativum
Hoary chaenactis - Chaenactis douglasii
Holboel's Rockcress Arabis holboellii
Hollyhocks Malva Spp.
Honesty Lunaria annua
Honeystalks Trifolium repens
Hookers Evening Primrose Oenothera elata hookeri
Hop Clover Trifolium
campestre
Hornklee Lotus corniculatus L. syn Lotus corniculatus L., Lotus ambiguus,
Lotus balticus, Lotus carpetanus, Lotus corniculatus subsp. major, Lotus corniculatus var.
major, Lotus komarovii, Lotus major , Lotus olgae, Lotus peczoricus, Lotus ruprechtii,
Lotus tauricus, Lotus ucrainicus, Lotus zhegulensis, Trigonella corniculatus L.
Hornseed Buttercup
Ceratocephala testiculata syn. Ranunculus testiculatus
Horse thistle Lactuca serriola syn Latuca
scariola
Horsegold Ranunculus acris
Horse gowan Leontodon taraxacum L. syn: Taraxacum officinale Webber.
Hundaebaer Solanum dulcamara
Hurtsickle Centaurea cyanus L
Hydrangea
Hydrangae spp
Hygro Hygrophila polysperma
Icelandic Poppies Papaver spp.
Illinois Pondweed Potamogeton illinoensis syn P. angustifolius, P.
lucens
Indian Blanket Gaillardia pulchella
Indian Paintbrush Castilleja miniata
Indian swampweed or Indian Waterstar
Hygrophila polysperma
Inland Saltgrass Distichlis spicata (L.) Greene
Intermediate Wheatgrass Thinopyrum intermedium Syn
Thinopyrum intermedium ssp. barbulatum, Agropyron intermedium, Agropyron intermedium var.
trichophorum, Agropyron trichophorum, Elymus hispidus, Elymus hispidus ssp. barbulatus,
Elymus hispidus var. ruthenicus, Elytrigia intermedia, Elytrigia intermedia ssp.
barbulata, Elytrigia intermedia ssp. trichophora
Inu-Hakka Nepeta cataria
Irish daisy Leontodon taraxacum L. syn: Taraxacum officinale
Iva Poverty Weed Iva axillaris syn
Iva axillaris subsp. robustior, Iva axillaris var. robustior
Jagged
Chickweed Holosteum umbellatum L.
James Cryptantha Cryptantha Cinerea
Jamestownweed
Datura wrightii Syn D. innoxia, D. meteloides
Japanese false bromegrass Brachypodium pinnatum syn:
Bromus pinnatus
Japanese Rose Rosa Multiflora
Jatt
Medicago sativa
Jeffrey's Shooting Star Dodecatheon jeffreyi
Jim Hill mustard Sisymbrium altissimum
Jimson Weed Datura wrightii Syn D.
innoxia, D. meteloides
John-go-to-bed-at-noon -
Tragopogon porrifolius
Johnny-Jump-Up Fritillary
Fritillaria pudica
Joseph's flower - Tragopogon dubius, syn T. pratensis, T. dubius
subsp. campestris, T. major
Jujuba tree Lycium europaeum syn Lycium intricatum
K'U Ch'Ieh Solanum dulcamara
K'U
Chin - Ranunculus sceleratus L.
Kaba
Yonca Medicago sativa
Kaffeezichorie Cichorium intybus L. syn
Cichorium intybus var. foliosum, Cichorium intybus var. sativum
Kammquecke Agropyron cristatum, Agropyron
deweyi, Agropyron muricatum, Bromus cristatus L, Triticum cristatum
Kanada vesikatk, Kanadanvesirutto, or Kanadische Wasserpest Elodea
canadensis syn Anacharis canadensis, Planch. var. planchonii, Elodea
brandegeae, Elodea ioensis, Elodea linearis, Elodea planchonii, Philotria canadensis,
Philotria linearis
Kansas thistle Solanum rostratum
Kasni Cichorium intybus L. syn
Cichorium intybus var. foliosum, Cichorium intybus var. sativum
Kass peppeln Malva neglecta
Kiku-Niga-Na Cichorium intybus L. syn
Cichorium intybus var. foliosum, Cichorium intybus var. sativum
Klamath pepper-grass Lepidium perfoliatum syn Cardaria perfoliatum
Kleine
Majer Amaranthus lividus
Klosownica pierzasta Brachypodium pinnatum
syn: Bromus pinnatus
Knotweed Polygonum arenastrum
Knotweed Polygonum douglasii
Kochia Kochia scoparia
Korenbloem Centaurea cyanus L
Kranssvalting Alisma plantago-aquatica
Khubbaizah or Klein kaasjeskruid Malva
neglecta
La liao Polygonum hydropiper syn Polygonum
fastigiatoramosum, Polygonum maximowiczii, Persicaria fastigiatoramosa,
Persicaria hydropiper L.
Lady-at-the-Gate Saponaria
Officinalis
Ladysthumb Polygonum hydropiper syn Polygonum
fastigiatoramosum, Polygonum maximowiczii, Persicaria fastigiatoramosa,
Persicaria hydropiper L.
Lambsquarters Chenopodium album
Large bullwort Ammi
majus
Large-flower
triteleia Triteleia grandiflora var. grandiflora syn
Brodiaea douglasii , Brodiaea
grandiflora
Largeflower hawksbeard
Crepis occidentalis
Large-Flowered Collomia Collomia grandiflora
Larkspur
Delphinium spp.
Larkspur
Bicolor Delphinium Bicolor Nutt.
Late Purple Aster
Symphyotrichum patens
Lavender Lavandula spp.
Lense-podded Hoary Cress Lepidium chalapensis syn. Cardaria
chalapensis
Lepyrodiclis Lepyrodiclis holosteoides, syn: Gouffeia holosteoides
Lesser hareleaf Lagophylla minor
Lesser marshelder Iva axillaris syn
Iva axillaris subsp. robustior, Iva axillaris var. robustior
Lewis' flax Linum lewisii var. lewisii
Lilac Syringa spp.
Little hareleaf Lagophylla minor
Little
larkspur Delphinium Bicolor Nutt.
Little willowherb Epilobium minutum
Littlebells polemonium Polemonium micranthum
Livid
amaranth Amaranthus lividus
Lobelia
Zygadenus venenosus
Long-horn plectritis Plectritis macrocera
Long-Leaved Hawk's-Beard Crepis acuminata
Lotier corniculé Lotus
corniculatus L. syn Lotus corniculatus L., Lotus ambiguus, Lotus balticus,
Lotus carpetanus, Lotus corniculatus subsp. major, Lotus corniculatus var. major, Lotus
komarovii, Lotus major , Lotus olgae, Lotus peczoricus, Lotus ruprechtii, Lotus tauricus,
Lotus ucrainicus, Lotus zhegulensis, Trigonella corniculatus L.
Louisiana Sage Artemisia ludoviciana
Low Gumweed Grindelia nana var nana
Low larkspur Delphinium Bicolor Nutt.
Low pussytoes Antennaria dimorpha syn Antennaria
dimorpha var. integra, Antennaria dimorpha var. latisquama, Antennaria dimorpha var.
macrocephala, Antennaria latisquama, Antennaria macrocephala, Gnaphalium dimorphum
Lowland Cudweed Gnaphalium palustre syn Filaginella palustris
Nutt.
Lucerne
Medicago sativa
Lupine
Lupinus spp.
Lycium fruit Lycium barbarum Syn Lycium megistocarpum,
Lycium lanceolatum, Lycium halimifolium, Lycium europaeum, Lycium vulgare
Mad-Dog Weed Alisma
plantago-aquatica
Maid's pink Saponaria
Officinalis
Mariposa Tulip Calochortus macrocarpus
Marsh Crowfoot - Ranunculus
sceleratus L.
Marsh Drain Alisma plantago-aquatica
Marsh Mint Mentha arvensis
Marshpepper Knotweed or Marshpepper
Smartweed Polygonum hydropiper syn Polygonum fastigiatoramosum, Polygonum
maximowiczii, Persicaria fastigiatoramosa, Persicaria hydropiper L.
Masonic rock cress Arabis cobrensis
Mater Silvi Lycium europaeum syn Lycium intricatum
Matrimony vine Lycium barbarum Syn Lycium megistocarpum,
Lycium lanceolatum, Lycium halimifolium, Lycium europaeum, Lycium vulgare
Maurella Solanum dulcamara
Mawi Pighember Chichegi Centaurea cyanus L
Mayweed Matricaria maritima
Meadow buttercup Ranunculus acris
Meadow
death camas Zygadenus venenosus
Meadow goat's-beard - Tragopogon dubius, syn T. pratensis, T. dubius
subsp. campestris, T. major
Mealweed Chenopodium album
Medic
Medicago sativa
Mediterannean Sage Salvia aethiopsis
Mexican-fireweed Kochia scoparia
Mild Water-pepper Polygonum hydropiper syn
Polygonum fastigiatoramosum, Polygonum maximowiczii, Persicaria
fastigiatoramosa, Persicaria hydropiper L.
Mielga
Medicago sativa
Milk thistle Lactuca serriola syn Latuca
scariola
Miners Lettuce Claytonia perfoliata
Minute Willow Herb Epilobium minutum
Miramar weed Hygrophila polysperma
Money Plant Lunaria annua
Montane
larkspur Delphinium Bicolor Nutt.
Moon
Lily Datura wrightii Syn D. innoxia, D. meteloides
Moonwort Lunaria annua
Morning brides - Chaenactis douglasii
Morning Glory Ipomoea spp.
Mosquito bill Dodecatheon jeffreyi
Moth, Moth Mullein, Mottenkruid Verbascum blattaria
Mountain Mahogany Cercocarpus betuloides
Mountain Peony Paeonia brownii
Mountain phacelia Phacelia hastata
Mountain trumpet Collomia grandiflora
Mountain Violet Viola purpurea ssp. integrifolia
Mountain Wormwood Artemisia ludoviciana
Mouseear povertyweed Iva axillaris syn Iva axillaris subsp. robustior, Iva axillaris var.
robustior
Mu Su Medicago sativa
Mullein Verbascum blattaria
Mullein Verbascum thappus
Multiflora Rose or Multiflowered
Rose Rosa Multiflora
Myrtle
Spurge Euphorbia myrsinites