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

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

 

 
Time Generated: 04/16/2014 08:03 AM MDT