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Introduced, Invasive, and Noxious Plants

NRCS Invasive Species Policy
Invasive Species Executive Order 13112

Oregon State-listed Noxious Weeds
273 records returned

Click on an accepted name below to view its PLANTS Profile with more information, and web links if available. Noxious weeds that are synonyms retain their noxious status, and are indented beneath the current PLANTS accepted name.

Oregon Administrative Rules. 2006. Quarantine; noxious weeds, Chapter 603-52-1200 (24 May 2006). State of Oregon.

Oregon Department of Agriculture. 2006. Noxious weed policy and classification system (24 May 2006). Oregon Department of Agriculture.

Symbol Scientific Name Noxious Common Name State Noxious Status Native Status*
AETR Aegilops triuncialis L. barbed goatgrass ADW, Q L48 (I)
AMTO3 Ambrosia tomentosa Nutt. skeletonleaf bursage ADW, Q L48 (N)
CAAC Carduus acanthoides L. plumeless thistle ADW, Q L48 (I), CAN (I)
CALA20 Carthamus lanatus L. woolly distaff thistle ADW, Q L48 (I), CAN (I)
CECA2 Centaurea calcitrapa L. purple starthistle ADW, Q L48 (I), CAN (I)
CEIB Centaurea iberica Trevir. ex Spreng. Iberian starthistle ADW, Q L48 (I)
CEVI Centaurea virgata Lam. squarrose knapweed ADW, Q L48 (I)
CYRO Cyperus rotundus L. purple nutsedge ADW, Q L48 (I), HI (I), PR (I), VI (I)
ECPL Echium plantagineum L. Paterson's curse ADW, Q L48 (I), CAN (I)
HECI Helianthus ciliaris DC. Texas blueweed ADW, Q L48 (N)
HEMA17 Heracleum mantegazzianum Sommier & Levier giant hogweed ADW, Q L48 (I), CAN (I)
HIAU Hieracium aurantiacum L. orange hawkweed ADW, Q L48 (I), AK (I), CAN (I), SPM (I)
HIFL3 Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] yellow hawkweed ADW, Q L48 (I), CAN (I), SPM (I)
HIPI Hieracium pilosella L. mouse ear hawkweed ADW, Q L48 (I), AK (I), CAN (I), SPM (I)
HIPI2 Hieracium piloselloides Vill. king devil hawkweed ADW, Q L48 (I), CAN (I)
HYVE3 Hydrilla verticillata (L. f.) Royle hydrilla ADW, Q L48 (I)
NAST3 Nardus stricta L. matgrass ADW, Q L48 (I), CAN (I), GL (I), SPM (I)
NYPE Nymphoides peltata (S.G. Gmel.) Kuntze yellow floating heart ADW, Q L48 (I), CAN (I)
PEHA Peganum harmala L. African rue ADW, Q L48 (I)
SOEL Solanum elaeagnifolium Cav. silverleaf nightshade ADW, Q L48 (N), HI (I), PR (N)
SPAL Spartina alterniflora Loisel. smooth cordgrass ADW, Q L48 (N), CAN (N)
SPAN5 Spartina anglica C.E. Hubbard common cordgrass ADW, Q L48 (I), CAN (I)
SPDE2 Spartina densiflora Brongn. dense-flowered cordgrass ADW, Q L48 (I)
TRNA Trapa natans L. European water chestnut ADW, Q L48 (I), CAN (I)
TUFA Tussilago farfara L. coltsfoot ADW, Q L48 (I), CAN (I), SPM (I)
ZYFA Zygophyllum fabago L. Syrian bean-caper ADW, Q L48 (I)
GEMO2 Genista monspessulana (L.) L.A.S. Johnson French broom BDW L48 (I)
CYMO5 Cytisus monspessulanus L. French broom Q
HYPE Hypericum perforatum L. St.Johnswort, Klamath weed BDW L48 (I), HI (I), CAN (I), SPM (I)
SIMA3 Silybum marianum (L.) Gaertn. milk thistle BDW L48 (I), CAN (I)
ABTH Abutilon theophrasti Medik. velvetleaf BDW, Q L48 (I), CAN (I)
ACRE3 Acroptilon repens (L.) DC. Russian knapweed BDW, Q L48 (I), CAN (I)
AECY Aegilops cylindrica Host jointed goatgrass BDW, Q L48 (I)
ALPE4 Alliaria petiolata (M. Bieb.) Cavara & Grande garlic mustard BDW, Q L48 (I), AK (I), CAN (I)
AMAR2 Ambrosia artemisiifolia L. ragweed BDW, Q L48 (NI), HI (I), CAN (N)
ANOF Anchusa officinalis L. common bugloss BDW, Q L48 (I), CAN (I)
BRSY Brachypodium sylvaticum (Huds.) P. Beauv. false brome BDW, Q L48 (I)
BUDA2 Buddleja davidii Franch.1 butterfly bush BDW, Q L48 (I), HI (I), PR (I), CAN (I)
CADR Cardaria draba (L.) Desv. whitetop, hoary cress BDW, Q L48 (I), CAN (I)
CAPU6 Cardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetop BDW, Q L48 (I), CAN (I)
CANU4 Carduus nutans L. musk thistle BDW, Q L48 (I), CAN (I)
CAPY2 Carduus pycnocephalus L. Italian thisle BDW, Q L48 (I), HI (I)
CATE2 Carduus tenuiflorus W. Curtis slender flowered thistle BDW, Q L48 (I)
CEDI3 Centaurea diffusa Lam. diffuse knapweed BDW, Q L48 (I), CAN (I)
CENI3 Centaurea nigrescens Willd. short fringed knapweed BDW, Q L48 (I), CAN (I)
CEPR2 Centaurea pratensis Thuill., nom. illeg., non Salisb. meadow knapweed Q
CESO3 Centaurea solstitialis L. yellow starthistle BDW, Q L48 (I), CAN (I)
CHJU Chondrilla juncea L. rush skeletonweed BDW, Q L48 (I), CAN (I)
CIAR4 Cirsium arvense (L.) Scop. Canada thistle BDW, Q L48 (I), AK (I), CAN (I), GL (I), SPM (I)
CIVU Cirsium vulgare (Savi) Ten. bull thistle BDW, Q L48 (I), AK (I), HI (I), CAN (I), SPM (I)
CLVI6 Clematis vitalba L. old man's beard BDW, Q L48 (I), CAN (I)
COMA2 Conium maculatum L. poison hemlock BDW, Q L48 (I), CAN (I)
COAR4 Convolvulus arvensis L. field bindweed BDW, Q L48 (I), HI (I), CAN (I)
CRVU2 Crupina vulgaris Cass. common crupina BDW, Q L48 (I)
CUSCU Cuscuta L. dodder BDW, Q
CYOF Cynoglossum officinale L. houndstongue BDW, Q L48 (I), CAN (I)
CYES Cyperus esculentus L. yellow nutsedge BDW, Q L48 (NI), HI (I), PR (I), VI (I), CAN (I)
CYSC4 Cytisus scoparius (L.) Link Scotch broom BDW, Q L48 (I), AK (I), HI (I), CAN (I)
CYST7 Cytisus striatus (Hill) Rothm. Portugese broom BDW, Q L48 (I)
DILA4 Dipsacus laciniatus L. cutleaf teasel BDW, Q L48 (I), CAN (I)
EQTE Equisetum telmateia Ehrh. giant horsetail BDW, Q L48 (N), CAN (N)
EUES Euphorbia esula L. leafy spurge BDW, Q L48 (I), CAN (I)
EUMY2 Euphorbia myrsinites L. myrtle spurge BDW, Q L48 (I), CAN (I)
HAGL Halogeton glomeratus (M. Bieb.) C.A. Mey. halogeton BDW, Q L48 (I)
HEHE Hedera helix L. English ivy BDW, Q L48 (I), HI (I), CAN (I)
IMGL Impatiens glandulifera Royle policeman's helmet BDW, Q L48 (I), CAN (I)
IRPS Iris pseudacorus L. yellow flag iris BDW, Q L48 (I), CAN (I)
ISTI Isatis tinctoria L. dyer's woad BDW, Q L48 (I), CAN (W)
LELA2 Lepidium latifolium L. perennial pepperweed BDW, Q L48 (I), CAN (I)
LIDA Linaria dalmatica (L.) Mill. Dalmatian toadflax BDW, Q L48 (I), CAN (I)
LIVU2 Linaria vulgaris Mill. yellow toadflax BDW, Q L48 (I), AK (I), CAN (I), GL (I), SPM (I)
LYSA2 Lythrum salicaria L. purple loosestrife BDW, Q L48 (I), CAN (I), SPM (I)
MYSP2 Myriophyllum spicatum L. Eurasian watermilfoil BDW, Q L48 (I), AK (I), CAN (I)
ONAC Onopordum acanthium L. Scotch thistle BDW, Q L48 (I), CAN (W)
ORMI Orobanche minor Sm. small broomrape BDW, Q L48 (I)
PAMI2 Panicum miliaceum L. wild proso millet BDW, Q L48 (I), HI (I), PR (I), VI (I), CAN (I)
POCU6 Polygonum cuspidatum Siebold & Zucc. Japanese knotweed BDW, Q L48 (I), AK (I), CAN (I), SPM (I)
POPO5 Polygonum polystachyum Wall. ex Meisn. Himalayan knotweed BDW, Q L48 (I), CAN (I), SPM (I)
POSA4 Polygonum sachalinense F. Schmidt ex Maxim. giant knotweed BDW, Q L48 (I), AK (I), CAN (I)
PORE5 Potentilla recta L. sulfur cinquefoil BDW, Q L48 (I), CAN (I)
ROSY Rorippa sylvestris (L.) Besser creeping yellow cress BDW, Q L48 (I), AK (I), CAN (I), GL (I)
SAAE Salvia aethiopis L. Mediterranean sage BDW, Q L48 (I)
SEJA Senecio jacobaea L. tansy ragwort BDW, Q L48 (I), CAN (I), SPM (I)
SORO Solanum rostratum Dunal buffalobur BDW, Q L48 (N), CAN (W)
SOHA Sorghum halepense (L.) Pers. johnsongrass BDW, Q L48 (I), HI (I), PR (I), CAN (I)
SPPA Spartina patens (Aiton) Muhl. saltmeadow cordgrass BDW, Q L48 (N), PR (N), VI (N), CAN (N)
SPJU2 Spartium junceum L. Spanish broom BDW, Q L48 (I), HI (I)
SPSA3 Sphaerophysa salsula (Pall.) DC. Austrian peaweed BDW, Q L48 (I), CAN (I)
TACA8 Taeniatherum caput-medusae (L.) Nevski medusahead rye BDW, Q L48 (I)
TARA Tamarix ramosissima Ledeb. saltcedar BDW, Q L48 (I)
TRTE Tribulus terrestris L. puncturevine BDW, Q L48 (I), HI (I), CAN (W)
ULEU Ulex europaeus L. gorse BDW, Q L48 (I), HI (I), CAN (I)
XASP2 Xanthium spinosum L. spiny cocklebur BDW, Q L48 (I), CAN (I)
ALCO16 Alyssum corsicum Duby yellowtuft NW L48 (I)
ALMU Alyssum murale Waldst. & Kit. yellowtuft NW L48 (I), CAN (I)
ACNO7 Acaena novae-zelandiae Kirk L48 (I)
ACNO4 Acaena novae-zelandica Kirk, orth. var. biddy biddy Q
AEGE Aegilops geniculata Roth L48 (I)
AEOV2 Aegilops ovata L. p.p. ovate goatgrass Q
AEGIN Aeginetia L. Q
AGAD2 Ageratina adenophora (Spreng.) R.M. King & H. Rob. crofton weed Q L48 (I), HI (I)
ALECT2 Alectra Thunb. Q
ALMA12 Alhagi maurorum Medik. L48 (I)
ALPS3 Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Schaparenko camelthorn Q
ALSE4 Alternanthera sessilis (L.) R. Br. ex DC. sessile joyweed Q L48 (I), HI (I), PR (N), VI (N)
ASFI2 Asphodelus fistulosus L. onionweed Q L48 (I)
AVST Avena sterilis L. animated oat Q L48 (I), CAN (W)
AZPI Azolla pinnata R. Br. mosquito fern Q L48 (I)
BASC5 Bassia scoparia (L.) A.J. Scott L48 (I), CAN (I)
KOSC Kochia scoparia (L.) Schrad. kochia Q
CACH42 Cardaria chalepensis (L.) Hand.-Maz. L48 (I), CAN (I)
CACH10 Cardaria chalapensis (L.) Hand.-Maz., orth. var. lens-podded whitetop Q
CALAC3 Carthamus lanatus L. ssp. creticus (L.) Holmboe L48 (I), CAN (I)
CABA5 Carthamus baeticus (Boiss. & Reut.) Nyman smooth distaff thistle Q
CAOX6 Carthamus oxyacanthus M. Bieb. L48 (I)
CAOX2 Carthamus oxyacantha M. Bieb., orth. var. wild safflower Q
CATA5 Caulerpa taxifolia (Vahl) C. Agardh2 Q L48 (I)
CESTM Centaurea stoebe L. ssp. micranthos (Gugler) Hayek L48 (I), HI (I), CAN (I)
CEMA4 Centaurea maculosa auct. non Lam. spotted knapweed Q
CEPUP6 Centromadia pungens (Hook. & Arn.) Greene ssp. pungens L48 (N)
HEPU5 Hemizonia pungens (Hook. & Arn.) Torr. & A. Gray spikeweed Q
CHAC Chrysopogon aciculatus (Retz.) Trin. pilipiliula Q HI (I)
COBE2 Commelina benghalensis L. Benghal dayflower Q L48 (I), HI (I), PR (I)
DIAB Digitaria abyssinica (Hochst. ex A. Rich.) Stapf HI (I)
DISC5 Digitaria scalarum (Schweinf.) Chiov. African couch grass Q
DIVE2 Digitaria velutina (Forssk.) P. Beauv. velvet fingergrass Q L48 (I)
DRAR7 Drymaria arenarioides Humb. & Bonpl. ex Schult. [excluded] alfombrilla Q
EGDE Egeria densa Planch. L48 (I), HI (I), PR (I), CAN (W)
ELDE3 Elodea densa (Planch.) Caspary South American waterweed, elodea Q
EIAZ2 Eichhornia azurea (Sw.) Kunth anchored waterhyacinth Q L48 (I), PR (I)
ELRE4 Elymus repens (L.) Gould L48 (I), AK (I), CAN (I), GL (I), SPM (I)
AGRE2 Agropyron repens (L.) P. Beauv. quackgrass Q
EMAU Emex australis Steinh. three-cornered jack Q L48 (I)
EMSP Emex spinosa (L.) Campd. devil's thorn Q L48 (I), HI (I)
GAOF Galega officinalis L. goatsrue Q L48 (I), CAN (I)
HICA10 Hieracium caespitosum Dumort. L48 (I), CAN (I)
HIPR Hieracium pratense Tausch meadow hawkweed Q
HYPO3 Hygrophila polysperma (Roxb.) T. Anderson Miramar weed Q L48 (I)
IMBR Imperata brasiliensis Trin. Brazilian satintail Q L48 (I), PR (I)
IMCY Imperata cylindrica (L.) P. Beauv.3 cogongrass Q L48 (I)
IPAQ Ipomoea aquatica Forssk. Chinese waterspinach Q L48 (I), HI (I), PR (I)
ISRU Ischaemum rugosum Salisb. murain-grass Q L48 (I)
LAMA15 Lagarosiphon major (Ridley) Moss oxygen weed Q
LECH2 Leptochloa chinensis (L.) Nees [excluded] Asian sprangletop Q
LISE3 Limnophila sessiliflora (Vahl) Blume ambulia Q L48 (I)
LYFE4 Lycium ferocissimum Miers L48 (I)
LYFE3 Lycium ferrocissimum Miers, orth. var. African boxthorn Q
MEQU Melaleuca quinquenervia (Cav.) S.F. Blake melaleuca Q L48 (I), HI (I), PR (I)
MEMA Melastoma malabathricum L. Q HI (I)
MICO16 Mikania cordata (Burm. f.) B.L. Rob. [excluded] mile-a-minute Q
MIMI5 Mikania micrantha Kunth mile-a-minute Q L48 (I), PR (N)
MIDI8 Mimosa diplotricha C. Wright HI (I), PR (I)
MIIN80 Mimosa invisa Mart., non Mart. ex Colla giant sensitive plant Q
MIPE2 Mimosa pellita Kunth ex Willd. L48 (N), PR (N)
MIPI Mimosa pigra auct. non L. catclaw mimosa Q
MOHA2 Monochoria hastata (L.) Solms [excluded] monochoria Q
MOVA Monochoria vaginalis (Burm. f.) C. Presl ex Kunth pickerel weed Q L48 (I), HI (I)
MORAE Moraea Mill.
HOMER Homeria Vent. Cape tulip Q
MOCO8 Moraea collina Thunb. L48 (I)
HOCO6 Homeria collina (Thunb.) Salisb. Cape tulip Q
MOFL2 Moraea flaccida (Sweet) Steud.
HOFL4 Homeria flaccida Sweet Cape tulip Q
MOOC2 Moraea ochroleuca (Salisb.) Drapiez
HOOC Homeria ochroleuca Salisb. Cape tulip Q
MOPA8 Moraea pallida (Baker) Goldblatt
HOPA11 Homeria pallida Baker Cape tulip Q
NATR3 Nassella trichotoma (Nees) Hack. serrated tussock Q L48 (I)
OPAU10 Opuntia aurantiaca Lindl. jointed prickly pear Q
OROBA Orobanche L.4 broomrape Q
ORLO3 Oryza longistaminata A. Chev. & Roehr. red rice Q
ORPU13 Oryza punctata Kotzchy ex Steud. red rice Q
ORRU Oryza rufipogon Griffiths red rice Q L48 (I)
OTAL Ottelia alismoides (L.) Pers. duck-lettuce Q L48 (I)
PASC6 Paspalum scrobiculatum L. Kodo-millet Q L48 (I), HI (I)
PECL2 Pennisetum clandestinum Hochst. ex Chiov. kikuyugrass Q L48 (I), HI (I), PR (I), VI (I)
PEMA80 Pennisetum macrourum Trin. African feathergrass Q L48 (I), HI (I)
PEPE24 Pennisetum pedicellatum Trin. kyasuma-grass Q L48 (I)
PEPO14 Pennisetum polystachion (L.) Schult. L48 (I), HI (I), PR (I)
PEPO4 Pennisetum polystachyon (L.) Schult., orth. var. missiongrass Q
PRAL11 Prosopis alpataco Phil. mesquite Q
PRAR6 Prosopis argentina Burkart mesquite Q
PRBU2 Prosopis burkartii Muñoz mesquite Q
PRCA9 Prosopis caldenia Burkart mesquite Q
PRCA10 Prosopis calingastana Burkart mesquite Q
PRCA11 Prosopis campestris Griseb. mesquite Q
PRCA12 Prosopis castellanosii Burkart mesquite Q
PRDE4 Prosopis denudans Benth. mesquite Q
PREL5 Prosopis elata (Burkart) Burkart mesquite Q
PRFA2 Prosopis farcta (Banks & Sol.) J.F. Macbr. Syrian mesquite Q L48 (I)
PRFE2 Prosopis ferox Griseb. mesquite Q
PRFI4 Prosopis fiebrigii Harms mesquite Q
PRHA4 Prosopis hassleri Harms ex Hassler mesquite Q
PRHU3 Prosopis humilis Gillies ex Hook. & Arn. mesquite Q
PRKU2 Prosopis kuntzei Harms ex Hassler mesquite Q
PRPA4 Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth kiawe Q HI (I), PR (I), VI (I)
PRPA10 Prosopis palmeri S. Watson mesquite Q
PRRE2 Prosopis reptans Benth. tornillo Q L48 (N)
PRRO4 Prosopis rojasiana Burkart mesquite Q
PRRU4 Prosopis ruizlealii Burkart mesquite Q
PRRU5 Prosopis ruscifolia Griseb. mesquite Q
PRSE5 Prosopis sericantha Gillies ex Hook. & Arn. mesquite Q
PRST3 Prosopis strombulifera (Lam.) Benth. Argentine screwbean Q L48 (I)
PRTO3 Prosopis torquata DC. mesquite Q
PRVE Prosopis velutina Woot. L48 (N), HI (I)
PRAR4 Prosopis articulata S. Watson velvet mesquite Q
PUMOL Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S. Almeida L48 (I), HI (I)
PULO Pueraria lobata (Willd.) Ohwi kudzu Q
ROCO6 Rottboellia cochinchinensis (Lour.) W.D. Clayton itchgrass Q L48 (I), PR (I)
RUAR9 Rubus armeniacus Focke L48 (I), HI (I), CAN (I)
RUDI2 Rubus discolor Weihe & Nees Himalayan blackberry Q
RUFR80 Rubus fruticosus L. [excluded] wild blackberry complex Q
RUMO4 Rubus moluccanus L. [excluded] wild blackberry Q
SASP Saccharum spontaneum L. wild sugarcane Q HI (I), PR (I)
SASA7 Sagittaria sagittifolia L. [excluded] arrowhead Q
SAVE6 Salsola vermiculata L. wormleaf salsola Q L48 (I)
SAAU Salvinia auriculata Aubl. giant salvinia Q PR (I)
SABI9 Salvinia biloba Raddi giant salvinia Q
SAHE7 Salvinia herzogii de la Sota giant salvinia Q
SAMO5 Salvinia molesta Mitchell giant salvinia Q L48 (I), HI (I)
SEPUP3 Setaria pumila (Poir.) Roem. & Schult. ssp. pallidefusca (Schumach.) B.K. Simon L48 (I)
SEPA82 Setaria pallidifusca (Schumach.) Stapf & C.E. Hubbard, orth. var. cattail grass Q
SOTA3 Solanum tampicense Dunal wetland nightshade Q L48 (I)
SOTO4 Solanum torvum Sw. turkeyberry Q L48 (I), HI (I), PR (I), VI (I)
SOVI2 Solanum viarum Dunal tropical soda apple Q L48 (I)
SPER Sparganium erectum L. exotic bur-reed Q L48 (N)
SPAL3 Spermacoce alata Aubl. [excluded] borreria Q
STRIG Striga Lour. witchweed Q
TRPR5 Tridax procumbens L. coat buttons Q L48 (I), HI (I), PR (I), VI (I)
URPA Urochloa panicoides P. Beauv. liverseed grass Q L48 (I)

 

†CodeNoxious Status
ADW "A" designated weed
BDW "B" designated weed
NW Noxious weed
Q Quarantine

*CodeNative Status
I Introduced
N Native
NI Native and Introduced
W Waif

*CodeNative Status Jursdiction
L48 Lower 48 States
AK Alaska
HI Hawaii
PR Puerto Rico
VI Virgin Islands
CAN Canada
GL Greenland
SPM St. Pierre and Miquelon

1 except named horticultural varieties  
2 Mediterranean clone  
3 Imperata cylindrica 'Red Baron' is excluded from quarantine  
4 other than native or widely distributed species  

Additional information about noxious plants in this state can be found at:

 

 
Time Generated: 07/25/2014 01:58 PM MDT