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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
CATA5 Caulerpa taxifolia (Vahl) C. Agardh1 Q L48 (I)
MEMA Melastoma malabathricum L. Q HI (I)
LYFE4 Lycium ferocissimum Miers L48 (I)
LYFE3 Lycium ferrocissimum Miers, orth. var. African boxthorn Q
DIAB Digitaria abyssinica (Hochst. ex A. Rich.) Stapf HI (I)
DISC5 Digitaria scalarum (Schweinf.) Chiov. African couch grass Q
PEMA80 Pennisetum macrourum Trin. African feathergrass Q L48 (I), HI (I)
PEHA Peganum harmala L. African rue ADW, Q L48 (I)
DRAR7 Drymaria arenarioides Humb. & Bonpl. ex Schult. [excluded] alfombrilla Q
LISE3 Limnophila sessiliflora (Vahl) Blume ambulia Q L48 (I)
EIAZ2 Eichhornia azurea (Sw.) Kunth anchored waterhyacinth Q L48 (I), PR (I)
AVST Avena sterilis L. animated oat Q L48 (I), CAN (W)
PRST3 Prosopis strombulifera (Lam.) Benth. Argentine screwbean Q L48 (I)
SASA7 Sagittaria sagittifolia L. [excluded] arrowhead Q
LECH2 Leptochloa chinensis (L.) Nees [excluded] Asian sprangletop Q
SPSA3 Sphaerophysa salsula (Pall.) DC. Austrian peaweed BDW, Q L48 (I), CAN (I)
AETR Aegilops triuncialis L. barbed goatgrass ADW, Q L48 (I)
COBE2 Commelina benghalensis L. Benghal dayflower Q L48 (I), HI (I), PR (I)
ACNO7 Acaena novae-zelandiae Kirk L48 (I)
ACNO4 Acaena novae-zelandica Kirk, orth. var. biddy biddy Q
SPAL3 Spermacoce alata Aubl. [excluded] borreria Q
IMBR Imperata brasiliensis Trin. Brazilian satintail Q L48 (I), PR (I)
OROBA Orobanche L.2 broomrape Q
SORO Solanum rostratum Dunal buffalobur BDW, Q L48 (N), CAN (W)
CIVU Cirsium vulgare (Savi) Ten. bull thistle BDW, Q L48 (I), AK (I), HI (I), CAN (I), SPM (I)
BUDA2 Buddleja davidii Franch.3 butterfly bush BDW, Q L48 (I), HI (I), PR (I), CAN (I)
ALMA12 Alhagi maurorum Medik. L48 (I)
ALPS3 Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Schaparenko camelthorn Q
CIAR4 Cirsium arvense (L.) Scop. Canada thistle BDW, Q L48 (I), AK (I), CAN (I), GL (I), SPM (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
MIPE2 Mimosa pellita Kunth ex Willd. L48 (N), PR (N)
MIPI Mimosa pigra auct. non L. catclaw mimosa Q
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
IPAQ Ipomoea aquatica Forssk. Chinese waterspinach Q L48 (I), HI (I), PR (I)
TRPR5 Tridax procumbens L. coat buttons Q L48 (I), HI (I), PR (I), VI (I)
IMCY Imperata cylindrica (L.) P. Beauv.4 cogongrass Q L48 (I)
TUFA Tussilago farfara L. coltsfoot ADW, Q L48 (I), CAN (I), SPM (I)
ANOF Anchusa officinalis L. common bugloss BDW, Q L48 (I), CAN (I)
SPAN5 Spartina anglica C.E. Hubbard common cordgrass ADW, Q L48 (I), CAN (I)
CRVU2 Crupina vulgaris Cass. common crupina BDW, Q L48 (I)
ROSY Rorippa sylvestris (L.) Besser creeping yellow cress BDW, Q L48 (I), AK (I), CAN (I), GL (I)
AGAD2 Ageratina adenophora (Spreng.) R.M. King & H. Rob. crofton weed Q L48 (I), HI (I)
DILA4 Dipsacus laciniatus L. cutleaf teasel BDW, Q L48 (I), CAN (I)
LIDA Linaria dalmatica (L.) Mill. Dalmatian toadflax BDW, Q L48 (I), CAN (I)
SPDE2 Spartina densiflora Brongn. dense-flowered cordgrass ADW, Q L48 (I)
EMSP Emex spinosa (L.) Campd. devil's thorn Q L48 (I), HI (I)
CEDI3 Centaurea diffusa Lam. diffuse knapweed BDW, Q L48 (I), CAN (I)
CUSCU Cuscuta L. dodder BDW, Q
OTAL Ottelia alismoides (L.) Pers. duck-lettuce Q L48 (I)
ISTI Isatis tinctoria L. dyer's woad BDW, Q L48 (I), CAN (W)
HEHE Hedera helix L. English ivy BDW, Q L48 (I), HI (I), CAN (I)
MYSP2 Myriophyllum spicatum L. Eurasian watermilfoil BDW, Q L48 (I), AK (I), CAN (I)
TRNA Trapa natans L. European water chestnut ADW, Q L48 (I), CAN (I)
SPER Sparganium erectum L. exotic bur-reed Q L48 (N)
BRSY Brachypodium sylvaticum (Huds.) P. Beauv. false brome BDW, Q L48 (I)
COAR4 Convolvulus arvensis L. field bindweed BDW, Q L48 (I), HI (I), CAN (I)
GEMO2 Genista monspessulana (L.) L.A.S. Johnson French broom BDW L48 (I)
CYMO5 Cytisus monspessulanus L. French broom Q
ALPE4 Alliaria petiolata (M. Bieb.) Cavara & Grande garlic mustard BDW, Q L48 (I), AK (I), CAN (I)
HEMA17 Heracleum mantegazzianum Sommier & Levier giant hogweed ADW, Q L48 (I), CAN (I)
EQTE Equisetum telmateia Ehrh. giant horsetail BDW, Q L48 (N), CAN (N)
POSA4 Polygonum sachalinense F. Schmidt ex Maxim. giant knotweed BDW, Q L48 (I), AK (I), CAN (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)
MIDI8 Mimosa diplotricha C. Wright HI (I), PR (I)
MIIN80 Mimosa invisa Mart., non Mart. ex Colla giant sensitive plant Q
GAOF Galega officinalis L. goatsrue Q L48 (I), CAN (I)
ULEU Ulex europaeus L. gorse BDW, Q L48 (I), HI (I), CAN (I)
CAPU6 Cardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetop BDW, Q L48 (I), CAN (I)
HAGL Halogeton glomeratus (M. Bieb.) C.A. Mey. halogeton BDW, Q L48 (I)
RUAR9 Rubus armeniacus Focke L48 (I), HI (I), CAN (I)
RUDI2 Rubus discolor Weihe & Nees Himalayan blackberry Q
POPO5 Polygonum polystachyum Wall. ex Meisn. Himalayan knotweed BDW, Q L48 (I), CAN (I), SPM (I)
CYOF Cynoglossum officinale L. houndstongue BDW, Q L48 (I), CAN (I)
HYVE3 Hydrilla verticillata (L. f.) Royle hydrilla ADW, Q L48 (I)
CEIB Centaurea iberica Trevir. ex Spreng. Iberian starthistle ADW, Q L48 (I)
CAPY2 Carduus pycnocephalus L. Italian thisle BDW, Q L48 (I), HI (I)
ROCO6 Rottboellia cochinchinensis (Lour.) W.D. Clayton itchgrass Q L48 (I), PR (I)
POCU6 Polygonum cuspidatum Siebold & Zucc. Japanese knotweed BDW, Q L48 (I), AK (I), CAN (I), SPM (I)
SOHA Sorghum halepense (L.) Pers. johnsongrass BDW, Q L48 (I), HI (I), PR (I), CAN (I)
AECY Aegilops cylindrica Host jointed goatgrass BDW, Q L48 (I)
OPAU10 Opuntia aurantiaca Lindl. jointed prickly pear Q
PRPA4 Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth kiawe Q HI (I), PR (I), VI (I)
PECL2 Pennisetum clandestinum Hochst. ex Chiov. kikuyugrass Q L48 (I), HI (I), PR (I), VI (I)
HIPI2 Hieracium piloselloides Vill. king devil hawkweed ADW, Q L48 (I), CAN (I)
BASC5 Bassia scoparia (L.) A.J. Scott L48 (I), CAN (I)
KOSC Kochia scoparia (L.) Schrad. kochia Q
PASC6 Paspalum scrobiculatum L. Kodo-millet 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
PEPE24 Pennisetum pedicellatum Trin. kyasuma-grass Q L48 (I)
EUES Euphorbia esula L. leafy spurge BDW, Q L48 (I), CAN (I)
CACH42 Cardaria chalepensis (L.) Hand.-Maz. L48 (I), CAN (I)
CACH10 Cardaria chalapensis (L.) Hand.-Maz., orth. var. lens-podded whitetop Q
URPA Urochloa panicoides P. Beauv. liverseed grass Q L48 (I)
NAST3 Nardus stricta L. matgrass ADW, Q L48 (I), CAN (I), GL (I), SPM (I)
HICA10 Hieracium caespitosum Dumort. L48 (I), CAN (I)
HIPR Hieracium pratense Tausch meadow hawkweed Q
SAAE Salvia aethiopis L. Mediterranean sage BDW, Q L48 (I)
TACA8 Taeniatherum caput-medusae (L.) Nevski medusahead rye BDW, Q L48 (I)
MEQU Melaleuca quinquenervia (Cav.) S.F. Blake melaleuca Q L48 (I), HI (I), PR (I)
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
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)
SIMA3 Silybum marianum (L.) Gaertn. milk thistle BDW L48 (I), CAN (I)
HYPO3 Hygrophila polysperma (Roxb.) T. Anderson Miramar weed Q L48 (I)
PEPO14 Pennisetum polystachion (L.) Schult. L48 (I), HI (I), PR (I)
PEPO4 Pennisetum polystachyon (L.) Schult., orth. var. missiongrass Q
MOHA2 Monochoria hastata (L.) Solms [excluded] monochoria Q
AZPI Azolla pinnata R. Br. mosquito fern Q L48 (I)
HIPI Hieracium pilosella L. mouse ear hawkweed ADW, Q L48 (I), AK (I), CAN (I), SPM (I)
ISRU Ischaemum rugosum Salisb. murain-grass Q L48 (I)
CANU4 Carduus nutans L. musk thistle BDW, Q L48 (I), CAN (I)
EUMY2 Euphorbia myrsinites L. myrtle spurge BDW, Q L48 (I), CAN (I)
CLVI6 Clematis vitalba L. old man's beard BDW, Q L48 (I), CAN (I)
ASFI2 Asphodelus fistulosus L. onionweed Q L48 (I)
HIAU Hieracium aurantiacum L. orange hawkweed ADW, Q L48 (I), AK (I), CAN (I), SPM (I)
AEGE Aegilops geniculata Roth L48 (I)
AEOV2 Aegilops ovata L. p.p. ovate goatgrass Q
LAMA15 Lagarosiphon major (Ridley) Moss oxygen weed Q
ECPL Echium plantagineum L. Paterson's curse ADW, Q L48 (I), CAN (I)
LELA2 Lepidium latifolium L. perennial pepperweed BDW, Q L48 (I), CAN (I)
MOVA Monochoria vaginalis (Burm. f.) C. Presl ex Kunth pickerel weed Q L48 (I), HI (I)
CHAC Chrysopogon aciculatus (Retz.) Trin. pilipiliula Q HI (I)
CAAC Carduus acanthoides L. plumeless thistle ADW, Q L48 (I), CAN (I)
COMA2 Conium maculatum L. poison hemlock BDW, Q L48 (I), CAN (I)
IMGL Impatiens glandulifera Royle policeman's helmet BDW, Q L48 (I), CAN (I)
CYST7 Cytisus striatus (Hill) Rothm. Portugese broom BDW, Q L48 (I)
TRTE Tribulus terrestris L. puncturevine BDW, Q L48 (I), HI (I), CAN (W)
LYSA2 Lythrum salicaria L. purple loosestrife BDW, Q L48 (I), CAN (I), SPM (I)
CYRO Cyperus rotundus L. purple nutsedge ADW, Q L48 (I), HI (I), PR (I), VI (I)
CECA2 Centaurea calcitrapa L. purple starthistle ADW, Q L48 (I), CAN (I)
ELRE4 Elymus repens (L.) Gould L48 (I), AK (I), CAN (I), GL (I), SPM (I)
AGRE2 Agropyron repens (L.) P. Beauv. quackgrass Q
AMAR2 Ambrosia artemisiifolia L. ragweed BDW, Q L48 (NI), HI (I), CAN (N)
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)
CHJU Chondrilla juncea L. rush skeletonweed BDW, Q L48 (I), CAN (I)
ACRE3 Acroptilon repens (L.) DC. Russian knapweed BDW, Q L48 (I), CAN (I)
TARA Tamarix ramosissima Ledeb. saltcedar BDW, Q L48 (I)
SPPA Spartina patens (Aiton) Muhl. saltmeadow cordgrass BDW, Q L48 (N), PR (N), VI (N), CAN (N)
CYSC4 Cytisus scoparius (L.) Link Scotch broom BDW, Q L48 (I), AK (I), HI (I), CAN (I)
ONAC Onopordum acanthium L. Scotch thistle BDW, Q L48 (I), CAN (W)
NATR3 Nassella trichotoma (Nees) Hack. serrated tussock Q L48 (I)
ALSE4 Alternanthera sessilis (L.) R. Br. ex DC. sessile joyweed Q L48 (I), HI (I), PR (N), VI (N)
CENI3 Centaurea nigrescens Willd. short fringed knapweed BDW, Q L48 (I), CAN (I)
CEPR2 Centaurea pratensis Thuill., nom. illeg., non Salisb. meadow knapweed Q
SOEL Solanum elaeagnifolium Cav. silverleaf nightshade ADW, Q L48 (N), HI (I), PR (N)
AMTO3 Ambrosia tomentosa Nutt. skeletonleaf bursage ADW, Q L48 (N)
CATE2 Carduus tenuiflorus W. Curtis slender flowered thistle BDW, Q L48 (I)
ORMI Orobanche minor Sm. small broomrape BDW, Q L48 (I)
SPAL Spartina alterniflora Loisel. smooth cordgrass ADW, Q L48 (N), CAN (N)
CALAC3 Carthamus lanatus L. ssp. creticus (L.) Holmboe L48 (I), CAN (I)
CABA5 Carthamus baeticus (Boiss. & Reut.) Nyman smooth distaff thistle Q
EGDE Egeria densa Planch. L48 (I), HI (I), PR (I), CAN (W)
ELDE3 Elodea densa (Planch.) Caspary South American waterweed, elodea Q
SPJU2 Spartium junceum L. Spanish broom BDW, Q L48 (I), HI (I)
CEPUP6 Centromadia pungens (Hook. & Arn.) Greene ssp. pungens L48 (N)
HEPU5 Hemizonia pungens (Hook. & Arn.) Torr. & A. Gray spikeweed Q
XASP2 Xanthium spinosum L. spiny cocklebur BDW, Q L48 (I), CAN (I)
CESTM Centaurea stoebe L. ssp. micranthos (Gugler) Hayek L48 (I), HI (I), CAN (I)
CEMA4 Centaurea maculosa auct. non Lam. spotted knapweed Q
CEVI Centaurea virgata Lam. squarrose knapweed ADW, Q L48 (I)
HYPE Hypericum perforatum L. St.Johnswort, Klamath weed BDW L48 (I), HI (I), CAN (I), SPM (I)
PORE5 Potentilla recta L. sulfur cinquefoil BDW, Q L48 (I), CAN (I)
ZYFA Zygophyllum fabago L. Syrian bean-caper ADW, Q L48 (I)
PRFA2 Prosopis farcta (Banks & Sol.) J.F. Macbr. Syrian mesquite Q L48 (I)
SEJA Senecio jacobaea L. tansy ragwort BDW, Q L48 (I), CAN (I), SPM (I)
HECI Helianthus ciliaris DC. Texas blueweed ADW, Q L48 (N)
EMAU Emex australis Steinh. three-cornered jack Q L48 (I)
PRRE2 Prosopis reptans Benth. tornillo Q L48 (N)
SOVI2 Solanum viarum Dunal tropical soda apple Q L48 (I)
SOTO4 Solanum torvum Sw. turkeyberry Q L48 (I), HI (I), PR (I), VI (I)
DIVE2 Digitaria velutina (Forssk.) P. Beauv. velvet fingergrass Q L48 (I)
PRVE Prosopis velutina Woot. L48 (N), HI (I)
PRAR4 Prosopis articulata S. Watson velvet mesquite Q
ABTH Abutilon theophrasti Medik. velvetleaf BDW, Q L48 (I), CAN (I)
SOTA3 Solanum tampicense Dunal wetland nightshade Q L48 (I)
CADR Cardaria draba (L.) Desv. whitetop, hoary cress BDW, Q L48 (I), CAN (I)
RUMO4 Rubus moluccanus L. [excluded] wild blackberry Q
RUFR80 Rubus fruticosus L. [excluded] wild blackberry complex Q
PAMI2 Panicum miliaceum L. wild proso millet BDW, Q L48 (I), HI (I), PR (I), VI (I), CAN (I)
CAOX6 Carthamus oxyacanthus M. Bieb. L48 (I)
CAOX2 Carthamus oxyacantha M. Bieb., orth. var. wild safflower Q
SASP Saccharum spontaneum L. wild sugarcane Q HI (I), PR (I)
STRIG Striga Lour. witchweed Q
CALA20 Carthamus lanatus L. woolly distaff thistle ADW, Q L48 (I), CAN (I)
SAVE6 Salsola vermiculata L. wormleaf salsola Q L48 (I)
HIFL3 Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] yellow hawkweed ADW, Q L48 (I), CAN (I), SPM (I)
IRPS Iris pseudacorus L. yellow flag iris BDW, Q L48 (I), CAN (I)
NYPE Nymphoides peltata (S.G. Gmel.) Kuntze yellow floating heart ADW, Q L48 (I), CAN (I)
CYES Cyperus esculentus L. yellow nutsedge BDW, Q L48 (NI), HI (I), PR (I), VI (I), CAN (I)
CESO3 Centaurea solstitialis L. yellow starthistle BDW, Q L48 (I), CAN (I)
LIVU2 Linaria vulgaris Mill. yellow toadflax BDW, Q L48 (I), AK (I), CAN (I), GL (I), SPM (I)
ALCO16 Alyssum corsicum Duby yellowtuft NW L48 (I)
ALMU Alyssum murale Waldst. & Kit. yellowtuft NW L48 (I), CAN (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 Mediterranean clone  
2 other than native or widely distributed species  
3 except named horticultural varieties  
4 Imperata cylindrica 'Red Baron' is excluded from quarantine  

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

 

 
Time Generated: 07/28/2014 04:41 AM MDT