Noxious Flowers for Oregon

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Category	Definition
A	Noxious weed of known economic importance which occurs in small enough infestations to make eradication/containment possible; or is not known to occur, but is present in neighboring states
B	Noxious weed of economic importance which is regionally abundant, but may have limited distribution in some counties; biological control is the preferred approach

Category	Scientific name	Family	Common name
A	Nardus stricta  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Matgrass **
Federal	Nassella trichotoma syn Stipa trichotoma Noxious in AL, AR, AZ, CA, DE, FL, GA, IL, MA, MD, MI, MN, MO, MS, NC, NE, OH, OK, OR, RI, SC, TX, VA, VT, WA, WV	Poaceae	Nassella Tussock, serrated tussock, Yass River tussock
A	Nuphar lutea (L.) Sm.	Nymphaeaceae	Spatterdock, Wokas, Cowlily, Bullhead lily, Brandy bottle, Yellow Pond-lily
B	Onopordum acanthium  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Asteraceae	Scotch Thistle, cotton thistle, woolly thistle, winged thistle, jackass thistle, heraldic thistle
Federal	Opuntia aurantiaca Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Cactaceae	jointed prickly pear, tiger-pear
B	Orobanche minor Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1030 Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Orobanchaceae	Small broomrape
Federal	Orobanche spp. (See 7 CFR 360.200 for 13 exceptions) Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Orobanchaceae	broomrape
Federal	Oryza longistaminata syn Oryza barthii Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	Wild rice, longstamen rice, red rice
Federal	Oryza punctata Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	red rice
Federal	Oryza rufipogon syn Oryza fatua, Oryza sativa var. fatua Noxious in AL, CA, FL, GA, MA, MN, NC, OR, SC, VT	Poaceae	red rice, brownbeard rice
Federal	Ottelia alismoides Noxious in AL, CA, MA, NC, OK, OR, SC, VT	Hydrocharitaceae	duck lettuce, water-plantain ottelia
B	Panicum miliaceum Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Wild Proso Millet, Broom-corn millet, Panic millet, Proso, birdseed millet, common millet, Hershey millet, hog millet, proso millet, wild proso millet, European millet, Akdari, Busa, Ch'I , Chi, Chu, Men, Millet, P'Ei, Pluimgierst, Shu, Tzu
Federal	Paspalum scrobiculatum Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	creeping paspalum, ditch millet, Indian paspalum, water couch, Kodohirse, kodo, kodra, mijo koda, Indian crown grass, Kodo-millet, kodomillet, ricegrass, ricegrass paspalum, kodra millet, rebu bawang, rumput kinangan, suket krisik
A	Peganum harmala Poisonous to livestock, medicinal for humans Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Zygophyllaceae	African rue**, Harmal, Syrian Rue, ruin weed, rue, wild rue, Alharma, Armel, Gamarza, Harmal Shrub, Harmel, Harmelraute, Harmine, Hurmal, Isband, Ispand, Ozallaik, Rahshca, Steppenraute, Telepathine.
Federal	Pennisetum clandestinum Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	Kikuyu grass
Federal	Pennisetum macrourum syn Pennisetum angolense, Pennisetum giganteum, Pennisetum quartinianum Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	African feathergrass, bedding grass, waterside-reed
Federal	Pennisetum pedicellatum Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	annual kyasuwa grass, hairy fountain grass, kayasuwa grass, kyasuwa grass
Federal	Pennisetum polystachion syn Pennisetum polystachion subsp. atrichum, Pennisetum polystachion subsp. polystachion Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Poaceae	Blue buffel grass, mission grass, thin napiergrass, feathery pennisetum, queue de chat, West Indian Pennisetum
B	Poa annua var reptans syn P. annua var. aquatica, P. annua Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1050	Poaceae	Creeping Annual Bluegrass, walkgrass, annual bluegrass, Annual meadow grass, Low Spear Grass, Straatgras
B	Poa trivialis Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1030	Poaceae	Rough bluegrass
Crop	Polygonum aviculare syn Polygonum aviculare L. var. vegetum Ledeb., Polygonum heterophyllum Lindm., Polygonum monspeliense Pers., Polygonum littorale	Polygonaceae	common knotweed, Prostrate pigweed, Asa Al Rae'Y, Box Knotweed, Centinodia, Gewoon Varkensgras, Habbat Al Rae'Y, Hemero Tea, Knotgrass, Knotweed, Knowgrass, Kus Karabugdayi, Miti-Yanagi, Nana Shwana, Pien Hsu, Prairie Knotweed, T'Ieh Sien Ts'Ao, Yard Knotweed
Crop	Polygonum convolvulus syn Bilderdykia convolvulus (L.), Fallopia convolvulus (L.), Polygonum convolvulus L. var. convolvulus, Reynoutria convolvulus (L.), Tiniaria convolvulus	Polygonaceae	Wild buckwheat, black bindweed, climbing buckwheat, dullseed cornbind, cornbind
B	Polygonum cuspidatum syn Fallopia japonica Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Polygonaceae	Japanese Knotweed, Japanese bamboo, Mexican bamboo, Japanese fleeceflower, Sally rhubarb, donkey rhubarb, gypsy rhubarb, Hancock's curse, Pysen saethwr, Glúineach bhiorach, wild rhubarb, crimson beauty More Info -- Edible Parts
Crop	Polygonum persicaria syn Polygonum hydropiper syn Polygonum maximowiczii, Polygonum fastigiatoramosum, Persicaria fastigiatoramosa, Persicaria hydropiper L.	Polygonaceae	Smartweed, Ladysthumb, Red leg, Acemotu, Hashishat Al Ger'An, Persicaria, Perzikkruid, Spotted Ladysthumb, Daun Senahun, Marshpepper Knotweed, Mild Water-pepper, Pimienta Acuatica, Pweve D'Ewe, Yanagi-Tade, Bity Tongue, Arcmart, Smartass, Ciderage, Culrage, Bloodwort, Arsesmart, Water-pepper, Marshpepper Smartweed, Biting persicaria, Biting knotweed, Bite tongue, Snake-weed, Sickle-weed, Pepper-plant, Red-shanks, Red-knees, Redleaf, La liao.
B	Polygonum polystachyum  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Polygonaceae	Himalayan Knotweed, cultivated knotweed
B	Polygonum sachalinense syn Fallopia sachalinensis Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Polygonaceae	Giant Knotweed CalFlora Database
Crop	Portulaca oleracea syn Portulaca neglecta, Portulaca oleracea L. ssp. granulatostellulata, Portulaca oleracea L. ssp. impolita, Portulaca oleracea L. ssp. nicaraguensis, Portulaca oleracea L. ssp. nitida, Portulaca oleracea L. ssp. papillatostellulata, Portulaca oleracea L. ssp. stellata, Portulaca retusa	Portulacaceae	Common purslane, Green purslane, little hogweed, Akulikuli-kula, Ancharupa, Beldroega, Berbin, Coupe-Pied, Coupier, Farfena, Gelang pasir, Golasiman, Krokot, Ma Ch'Ih Hsien, Ngalug, Parpinah, Perpine, Pig weed, Porcelana, Pourpier Commun, Pourpier, Purslane, Pusley, Rigla, Semizotu, Stilchi, Suberi-Hiyu, Verdolaga, Vertolaga, Portulak, ghol, Postelein
B	Potentilla recta   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Rosaceae	Sulfur Cinquefoil
Federal	Prosopis alpataco Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis argentina Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis articulata Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Mesquit, mesquite, mesquite amargo
Federal	Prosopis burkartii Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis caldenia Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Calden, mesquite
Federal	Prosopis calingastana Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Cusqui, mesquite
Federal	Prosopis campestris Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis castellanosii Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis denudans Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis elata Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis farcta syn Prosopis stephaniana Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Syrian mesquite, Stuffed propopis, Khurnifk
Federal	Prosopis ferox Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Churqui, churqui blanco, churqui jujeno, quiscataco, mesquite
Federal	Prosopis fiebrigii Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis hassleri Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Algarrobo, algarrobo del chaco, algarrobo paraguayo, mesquite
Federal	Prosopis humilis Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis kuntzei Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Barba de tigre, caranda, itin, jacaranda, lanza-lanza, palo mataco, yacaranda, yacaranda itin, mesquite
Federal	Prosopis pallida syn Acacia pallida, Prosopis limensis Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite, kiawe, algaroba, algarrobo, algarrobo americano, huarango
Federal	Prosopis palmeri Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Palo de hierro, palo fierro, mesquite
Federal	Prosopis reptans Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	creeping mesquite, tornillo
Federal	Prosopis rojasiana Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis ruizleali Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis ruscifolia Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Algarrobo blanco, ibope-moroti, olkha, pao de espinho, quilin, vinal, visnal, yuncumarim, mesquite
Federal	Prosopis sericantha Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
Federal	Prosopis strombulifera Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	Argentine screwbean, creeping mesquite
Federal	Prosopis torreyana Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Fabaceae syn Mimosaceae	mesquite
A	Prymnesium parvum	Prymnesiophyceae	golden algae
A Federal	Pueraria lobata  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200 Noxious in FL, IL, KS, MO, OR, PA, TX, WA, WV	Fabaceae	Kudzu**
Crop	Raphanus sativus	Brassicaceae	Wild radish
Federal	Rottboellia exaltata syn Rottboellia cochinchinensis, Manisuris exaltata, Rottboellia exaltata, Stegosia cochinchinensis Noxious in AL, AR, CA, FL, LA, MA, MN, NC, OR, SC, TN, TX, VT	Poaceae	guinea-fowl grass, itchgrass, Kelly grass, kokoma grass, Raoul grass
B	Rorippa sylvestris   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Brassicaceae	Yellow Fieldcress, Creeping Yellow Fieldcress, Creeping Fieldcress
B	Rubus armeniacus discolor Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200 except fruit for consumption	Rosaceae	Himalayan blackberry, Himalaya-berry
Federal	Rubus fruticosus Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Rosaceae	Blackberry, bramble blackberry, Allegheny Blackberry, Bly, Bogurtlen, Bramble, Bramble-Kite, Brambleberry, Brameberry, Brummel, Bumble-Kite, Common Blackberry, European Blackberry, Gewone Braam, Rovo, Scaldhead, Shrubby Blackberry, Zarza, Zarzamora, wild blackberry complex
Federal	Rubus moluccanus syn Rubus hillii Noxious in AL, CA, FL, MA, MN, NC, OR, SC, VT	Rosaceae	wild raspberry, Molucca bramble, Molucca raspberry, kohkihl, soni, wa ngandrongandro, Ceylon blackberry, Akar Bulan Mudu, Akar Koepor, Akar Kupur, Berete, Brembet, Eelkek, Noendoeng, Tampu Rengat, Temporanak, , broad leafed bramble, Molucca bramble, eelkek, piquant lou-lou, giant bramble
Crop Crop	Rumex acetosella syn Acetosella acetosella (L.) Small, Acetosella tenuifolia, Acetosella vulgaris, R. acetosella L. subsp. angiocarpus, R. acetosella L. var. pyrenaeus, R. acetosella L. var. tenuifolius, R. angiocarpus, R. tenuifolius	Polygonaceae	common sheep sorrel, field sorrel, red sorrel, sheep sorrel, Acederilla, Acetosella, Acidula, Chuka Palam, Chutrika, Cizana, Common Sorrel, Kleiner Sauer Ampfer, Petite Oseille, Schapenzuring, Sheep's Sorrel, Sorrel, Tangax Uqux, Wild Sorrel, Wilde Zuring
Crop Crop	Rumex crispus syn Rumex elongatus	Polygonaceae	Curly dock, Sour dock, yellow dock, narrowleaf dock
Crop Crop	Rumex obtusifolia L. syn Acetosa oblongifolia, R. obtusifolius L. subsp. agrestis, R. obtusifolius L. subsp. sylvestris, R. obtusifolius L. var. sylvestris	Polygonaceae	Broadleaf dock, bitter dock, Roundleaved dock, Broad-leaved Dock, Butter Dock, Common Wayside Dock, Blunt-Leaved Dock, Hummaidh, Kut Yaprakli Labada, Lapathus, Lappacium, Ridderzuring, Surale Di Tch'Van, Turshoua
Federal	Saccharum spontaneum Noxious in AL, CA, FL, MA, MN, NC, OR, PR, SC, VT	Poaceae	wild sugarcane, wild cane, loa, ahlek, false sugarcane, canne à sucre fourragère, canne sauvage, to aheo, ac, banga ruchel, tebu salah; ahlek, ahlec, vao tolo, Kans, Kansi, Kas, pit-pit, fodder cane, geshoumi, wild sugarcane
Federal	Sagittaria sagittifolia syn Sagittaria japonica, S. sagittifolia subsp. leucopetala, S. sagittifolia var. edulis, S. sinensis, S. trifolia, S. trifolia var. edulis, S. trifolia var. sinensis Noxious in AL, CA, MA, MN, NC, OK, OR, PR, SC, VT	Alismataceae	Arrow head, Chieh Ku, Chien Tao Ts'Ao, Hawaii Arrowhead, Pai Ti Li, Pijlkruid, Shui P'Ing, Suokiu, T'Zu Ku, Wapatoo, Yen Wei Ts'Ao
Crop	Salsola iberica syn Salsola tragus L., S. australis R.Br., S. caroliniana Walter, S. kali L. subsp. ruthenica (Iljin) Soó, S. kali L. subsp. tragus (L.) Celak., S. kali L. var. caroliniana (Walter) Nutt., S. pestifer A.Nelson, S. ruthenica Iljin, S. kali L. var. tenuifolia Tausch	Chenopodiaceae	Tumbleweed, Saltwort, Prickly Glasswort, Sea-grape, Salt-grape, Sea-thrift, Russian Thistle, Kelpwort, tumbling thistle, Prickly Russian thistle
Crop	Salsola vermiculata	Chenopodiaceae	shrubby Russian thistle, wormleaf salsola, wormleaf saltwort, Mediterranean saltwort
B	Salvia aethiopis Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Lamiaceae	Mediterranean Sage
Federal	Salvinia auriculata syn S. natans, S. rotundifolia Noxious in AL, CA, FL, MA, MN, NC, OK, OR, SC, VT	Salviniaceae	African payal, butterfly fern, giant salvinia
Federal	Salvinia biloba Noxious in AL, CA, FL, MA, MN, NC, OK, OR, SC, TX, VT	Salviniaceae	giant salvinia, Two-lobed floating fern
Federal	Salvinia herzogii Noxious in AL, AZ, CA, CO, FL, MA, MN, NC, OK, OR, SC, TX, VT	Salviniaceae	giant salvinia
A Federal	Salvinia molesta  Noxious in AL, CA, CO, FL, MA, MN, NC, NV, OR, SC, TX, VT	Salviniaceae	Giant salvinia, Water fern, kariba-weed
B Crop Crop	Senecio jacobaea   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Asteraceae	Tansy Ragwort, stinking willie
Crop Crop	Senecio vulgaris	Asteraceae	Groundsel, Common Groundsel
Crop	Silene vulgaris (Moench) Garcke	Carophyllaceae	Bladder Campion, cowbell, rattleweed, maiden's tears
B Crop	Silybum marianum	Asteraceae	Milk Thistle, Blessed Milk-thistle, Blessed Milkthistle, Cardo Mariano, Holy Thistle, Kanger, Kenger, Ku'Ub, Lady's Thistle, Maria-Azami, Mariana Mariana, Meryemanadikeni, Milk Thistle, St Mary's Milk Thistle, Silybum, Variegated Thistle
Crop	Solanum americanum syn Solanum caribaeum, S. nodiflorum	Solanaceae	American black nightshade, Purple nightshade, Chichiquelite, Nightshade, West Indian Nightshade, White Nightshade
Crop	Solanum dulcamara	Solanaceae	Bitter Nightshade, European bittersweet, Climbing nightshade, bittersweet, bittersweet nightshad, deadly nightshade, dulcamara, Bai Ying, Bittersweet Twigs, Bitterzoet, E'Nab Al Tha'Lab, Hab Al A'Lam, Helwa Morrah, Hundaebaer, K'U Ch'Ieh, Maurella, Shu Yang Ch'Uan, Tre Marana, Woody Nightshade, Yaban Yasemini, Zurukamara
A	Solanum elaeagnifolium Poisonous Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Solanaceae	Silverleaf Nightshade, White Horsenettle, silverleaf bitter apple, tomato weed, white weed, trompilla, melloncillo, desert nightshade, prairie berry, Silverleafnettle, horse-nettle, silver-leaved horsenettle
Crop Crop	Solanum nigrum	Solanaceae	Black nightshade, Petty Morel, poisonberry, garden nightshade, Garden huckleberry, Sunberry, Morella, Wonderberry
B	Solanum robustum Wendl. syn Solanum alatum	Solanaceae	shrubby nightshade, silverleaf nightshade Pictures
B Crop	Solanum rostratum Poisonous Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Solanaceae	Buffalo Bur, Buffalo berry, Buffalobur nightshade, Colorado bur, Kansas thistle, Prickly nightshade, Texas thistle
Crop Crop	Solanum sarrachoides Sendter	Solanaceae	Hairy nightshade
Federal	Solanum torvum Noxious in AL, CA, FL, HI, MA, MN, NC, OR, PR, SC, VT	Solanaceae	prickly solanum, devil's fig, turkeyberry, terongan, fausse aubergine, aubergine sauvage épineuse, piko, tisaipale, kausoni, soni, kauvoto-votua, kaisurisuri, katai, bhankatiya, soni ni vavalagi, lapiti
Crop	Solanum triflorum Nutt.	Solanaceae	Cutleaf nightshade, Driebloemige Nachtschade, Small Nightshade
Federal	Solanum viarum Noxious in AL, AZ, CA, FL, GA, MA, MN, NC, OR, PR, SC, TN, TX, VT	Solanaceae	tropical soda apple, Wetland Nightshade, and Turkey Berry
Crop	Sonchus arvensis L.	Asteraceae	Field sow-thistle, Perennial sowthistle, Corn Sow-thistle, Dindle, Gutweed, Swine-thistle, Tree sow-thistle
Crop	Sonchus asper L. Hill	Asteraceae	spiny sowthistle, Prickly Sow-thistle
Crop	Sonchus oleraceus A little history	Asteraceae	Common sowthistle, Smooth sow-thistle, Prickly Sow-thistle, Pualele, Sow thistle, Hare's Thistle, Hare's Lettuce, Rauriki, Pororua, Puwha, Cerraja, Serraja, Diente de leon lechoso, Leche, Llamp'u, Qarasapi
B	Sorghum halepense   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Johnsongrass CalFlora Database
Federal	Sparganium erectum syn Sparganium polyedrum, Sparganium ramosum Noxious in AL, CA, FL, MA, NC, OK, OR, SC, VT	Sparganiaceae	Simplestem Bur-reed, Branched Bur-reed, exotic bur-reed, Bur reed, Astiger Igelskolben, Biodo, Broadfruit Burreed, Grote Egelskop
A	Spartina alterniflora Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Smooth Cordgrass*
A	Spartina anglica  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Common Cordgrass More Info
A	Spartina densiflora Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Dense-flowered cordgrass
B	Spartina patens  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Saltmeadow Cordgrass, marshhay cordgrass, cord marshgrass, salt hay
B	Spartium junceum  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Fabaceae	Spanish Broom More Info
Crop	Spergula arvensis syn Spergula arvensis var. maxima, Spergula arvensis L. var. sativa, Spergula arvensis L. ssp. sativa, Spergula sativa, Spergula maxima	Caryophyllaceae	corn spurry, devil's gut, pickpurse, sandweed, spourier, Ackerspark, espérgula, esparcilla, Gewone Spurrie, Spargula, Starwort
Crop Crop	Spergularia rubra	Carophyllaceae	Sand Spurry, Red sandspurry
B	Sphaerophysa salsula  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Fabaceae	Austrian Peaweed, Swainsona, Swainsonpea
Crop Crop	Stellaria media	Carophyllaceae	Common chickweed
Federal	Striga spp. Noxious in AL, AZ, AR, CA, HI, MA, MN, NC, OR, SC, VT	Scrophulariaceae	S. gesnerioides, Striga hermonthica, Witchweed
A	Suscuta spp.	Cuscutaceae	angel's hair, devilguts, devil's hair, devil's ringlet, dodder, goldthread, hailplant, hairweed, hell bind, love vine, pull down, stranglevine, strangleweed, tangle gut, witches' shoelaces, Knotted dodder, Giant Asian dodder
Crop	Sisymbrium altissimum L.	Brassicaceae	Tumble Mustard, tumbling mustard, Jim Hill mustard, tall hedge-mustard, tall tumblemustard
B	Taeniatherum caput-medusae Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Poaceae	Medusahead More Info CalFlora Database
B	Tamarix ramosissima Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Tamaricaceae	Saltcedar, salt cedar, tamarisk
Crop	Tanacetum vulgare syn Chrysanthemum uliginosum, Chrysanthemum vulgare, Tanacetum vulgare L. var. crispum, Tanacetum boreale	Asteraceae	Tansy, common tansy, garden tansy, golden-buttons, barbotine, tanaisie, Rainfarn, atanásia, hierba lombriguera, tanaceto, Bachelor's Buttons, Bitter Buttons, Boerenwormkruid, Buttons, Ginger Plant, Gold-buttons, Yomogi-Giku
Crop Crop	Taraxacum officinale syn Leontodon taraxacum L.	Asteraceae	Dandelion
Crop	Thlaspi arvense L.	Brassicaceae	Field Pennycress, Stinkweed
Crop Crop	Tragopogon dubius Scop.	Asteraceae	Western salsify, Goat's Beard
Crop	Tragopogon porrifolius L	Asteraceae	Common salsify, Salsify
A	Trapa natans  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Trapaceae	European water chestnut, water-chestnut, bull-nut
B	Tribulus terrestris   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Zygophyllaceae	Puncturevine, caltrop, land caltrop,  tackweed, ground burnut, puncture weed, bullhead, goathead, Mexican sandbur, Texas sandbur
Federal	Tridax procumbens Noxious in AL, CA, FL, MA, MN, NC, OR, PR, SC, VT	Asteraceae	wild daisy, tridax, coat buttons, Cadillo Chisaca
A	Tussilago farfara  Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Asteraceae	Coltsfoot **, coughwort More Info
B	Ulex europaeus   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Fabaceae	Gorse, thorn broom, furze, whin, Broom, Frey, Fyrs, Gorst, Goss, Prickly Broom, Ruffet
Federal	Urochloa panicoides Noxious in AL, CA, FL, MA, MN, NC, OR, PR, SC, VT	Liliopsida	garden signal grass, tuinbeesgras
Crop	Veronica hederifolia syn Veronica hederifolia subsp. hederifolia	Scrophulariaceae	Ivy leaf speedwell, small henbit, furasaba-so, Klimopereprijs
Crop Crop	Veronica persica	Scorphulariaceae	Persian speedwell
B	Xanthium spinosum   Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Asteraceae	Spiny Cocklebur, Spiny Clotbur, Spiny Clodbur, Cadillos, Beans Burr, Bathurst Burr, Cockle Burr Another picture
A	Zygophyllum fabago Or. Dept of Ag Division 52, Pest & Disease Control, 603-052-1200	Zygophyllaceae	Syrian Bean Caper CalFlora Database

* -- Detected previously in Oregon but eradicated or did not establish
** -- Currently under erradication or restricted to a small area in Oregon
*** -- In danger of becoming permanently established

Toll free Reporting in Oregon: 1-866-INVADER

Sources:
What you can do
Klamath Falls Contacts
Oregon Noxious Weed Web - County Control Contacts
Oregon Dept. Agric / Oregon Invasive Species Council
National Plant Board State Regulated Noxious Weeds

= Poisonous to animal and/or human
= Noxious or Invasive in Oregon
= Crop weed in Oregon
= Federal Noxious weed in Oregon

Flowers Menu Page Common Names A-F Common Names G-M Common Names N-S Common Names T-Z Scientific Names A-M Scientific Names N-Z Noxious Flowers for Oregon - Pg1 Noxious Flowers for Oregon - Pg2

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