| Noxious Weeds Quarantine |
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| Effective 2/4/2010 |
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603-052-1200
Quarantine; Noxious Weeds
(1) Establishing Quarantine. A quarantine is established against the noxious weeds listed herein. Noxious weeds have become so thoroughly established and are spreading so rapidly that they have been declared a menace to the public welfare. ORS 570.505.
(2) Areas Under Quarantine. The entire state of Oregon and all other States of the United States and all foreign countries.
(3) Covered Plants. For purposes of this rule the term "plants" applies to whole plants, plant parts, and seeds. This rule applies to all "A" and "B" designated noxious weeds listed herein, except as provided in subsections (c) and (d). Plants on the Federal Noxious Weed List (7 C.F.R. 360.200) are also covered by this rule, with the exception of Japanese blood grass, Imperata cylindrica, var. Red Baron and Chinese water spinach, Ipomoea aquatica.
(a) "A" designated weeds. Weeds of known economic importance which occur in the state in small enough infestations to make eradication/containment possible; or which are not known to occur, but their presence in neighboring states makes future occurrence in Oregon seem imminent.
(A) African rue -- Peganum harmala;
(B) Camelthorn -- Alhagi pseudalhagi;
(C) Coltsfoot -- Tussilago farfara;
(D) Common reed -- Phragmites australis;
(E) Cordgrasses:
(i) Common -- Spartina anglica;
(ii) Dense-flowered -- Spartina densiflora;
(iii) Saltmeadow -- Spartina patens;
(iv) Smooth -- Spartina alterniflora.
(F) European water chestnut -- Trapa natans;
(G) Flowering rush -- Butomus umbellatus;
(H) Giant hogweed -- Heracleum mantegazzianum;
(I) Goatgrasses:
(i) Barbed -- Aegilops triuncialis;
(ii) Ovate -- Aegilops ovata.
(J) Hawkweeds:
(i) King-devil -- Hieracium piloselloides;
(ii) Meadow -- Hieracium pratense;
(iii) Mouse-ear -- Hieracium pilosella;
(iv) Orange -- Hieracium aurantiacum;
(v) Yellow -- Hieracium floribundum.
(K) Hydrilla -- Hydrilla verticillata;
(L) Japanese dodder -- Cuscuta japonica;
(M) Kudzu -- Pueraria lobata;
(N) Matgrass -- Nardus stricta;
(O) Oblong spurge --Euphorbia oblongata;
(P) Paterson's curse -- Echium plantagineum;
(Q) Purple nutsedge -- Cyperus rotundus;
(R) Silverleaf nightshade -- Solanum elaeagnifolium;
(S) Skeletonleaf bursage -- Ambrosia tomentosa;
(T) Squarrose knapweed -- Centaurea virgata;
(U) Starthistles:
(i) Iberian -- Centaurea iberica;
(ii) Purple -- Centaurea calcitrapa.
(V) Syrian bean-caper -- Zygophyllum fabago;
(W) Texas blueweed -- Helianthus ciliaris;
(X) Thistles:
(i) Plumeless -- Carduus acanthoides;
(ii) Smooth distaff -- Carthamus baeticus;
(iii) Taurian -- Onopordum tauricum;
(iv) Woolly distaff -- Carthamus lanatus;
(v) White bryonia -- Bryonia alba.
(Y) Yellow floating heart -- Nymphoides peltata;
(Z) Yellowtuft – Alyssum murale and Alyssum corsicum.
(b) "B" designated weeds. Weeds of economic importance which are regionally abundant, but which may have limited distribution in some counties.
(A) Armenian (Himalayan) blackberry -- Rubus armeniacus (R. procerus, R. discolor);
(B) Biddy-biddy -- Acaena novae-zelandiae;
(C) Brooms:
(i) French -- Genista monspessulana;
(ii) Portuguese -- Cytisus striatus;
(iii) Scotch -- Cytisus scoparius;
(iv) Spanish -- Spartium junceum;
(D) Buffalobur -- Solanum rostratum;
(E) Butterfly bush -- Buddleja davidii/varabilis* (*Effective January 1, 2010, all the prohibitions of section (4) (a-d) apply. Plants being sold in Oregon that are labeled “Butterfly Bush” are assumed to be B. davidii and will be subject to a stop sale order. ODA approved sterile varieties of Buddleja including inter-specific hybrids are not regulated and may be propagated and sold if labeled as follows: “Seedless Butterfly Bush*.” “*Produces less than 2% viable seed.” Information concerning process, criteria and approved seedless varieties is available online at: . );
(F) Common bugloss -- Anchusa officinalis;
(G) Common crupina -- Crupina vulgaris;
(H) Creeping yellow cress -- Rorippa sylvestris;
(I) Cutleaf teasel -- Dipsacus laciniatus;
(J) Dodder -- Cuscuta spp.* (*except northwest natives);
(K) Dyers woad -- Isatis tinctoria;
(L) English ivy -- Hedera helix/hibernica*;
(M) Eurasian watermilfoil -- Myriophyllum spicatum;
(N) False brome -- Brachypodium sylvaticum;
(O) Field bindweed -- Convolvulus arvensis;
(P) Garlic Mustard -- Alliaria petiolata;
(Q) Geranium
(i.) Herb Robert -- Geranium robertianum
(ii.) Shiny leaf geranium -- Geranium lucidum
(R) Giant horsetail -- Equisetum telmateia;
(S) Gorse -- Ulex europaeus;
(T) Halogeton -- Halogeton glomeratus;
(U) Houndstongue -- Cynoglossum officinale;
(V) Johnsongrass -- Sorghum halepense;
(W) Jointed goatgrass -- Aegilops cylindrical;
(X) Jubata grass -- Cortaderia jubata;
(Y) Knapweeds:
(i) Diffuse -- Centaurea diffusa;
(ii) Meadow -- Centaurea pratensis (jacea x nigra);
(iii) Russian -- Acroptilon repens;
(iv) Spotted -- Centaurea maculosa (C. stoebe).
(Z) Knotweeds:
(i) Giant -- Fallopia sachalinensis (Polygonum) ;
(ii) Himalayan -- Polygonum polystachyum;
(iii) Japanese (fleece flower) -- Fallopia japonica (Polygonum cuspidatum).
(AA) Kochia -- Kochia scoparia;
(BB) Lesser celandine -- Ranunculus ficaria;
(CC) Mediterranean sage -- Salvia aethiopis;
(DD) Medusahead rye -- Taeniatherum caput-medusae;
(EE) Old man's beard -- Clematis vitalba;
(FF)Parrots Feather --Myrophyllum aquaticum;
(GG) Perennial peavine -- Lathyrus latifolius;
(HH) Perennial pepperweed -- Lepidium latifolium;
(II) Poison hemlock -- Conium maculatum;
(JJ) Policeman's helmet -- Impatiens glandulifera;
(KK) Puncturevine -- Tribulus terrestris;
(LL) Purple loosestrife -- Lythrum salicaria;
(MM) Quackgrass -- Agropyron repens;
(NN) Ragweed -- Ambrosia artemisiifolia;
(OO) Rush skeletonweed -- Chondrilla juncea;
(PP) Saltcedar -- Tamarix ramosissima;
(QQ) Small broomrape -- Orobanche minor;
(RR) South American waterweed (Elodea) -- Egeria (Elodea) densa;
(SS) Spikeweed -- Hemizonia pungens;
(TT) Spiny cocklebur -- Xanthium spinosum;
(UU) Spurge laurel -- Daphne laureola;
(VV) Spurges:
(i) Leafy -- Euphorbia esula;
(ii) Myrtle -- Euphorbia myrsinites.
(WW) Sulfur cinquefoil -- Potentilla recta;
(XX) Swainsonpea -- Sphaerophysa salsula;
(YY) Tansy ragwort -- Senecio jacobaea;
(ZZ) Thistles:
(i) Bull -- Cirsium vulgare;
(ii) Canada -- Cirsium arvense;
(iii) Italian -- Carduus pycnocephalus;
(iv) Musk -- Carduus nutans;
(v) Scotch -- Onopordum acanthium;
(vi) Slender-flowered -- Carduus tenuiflorus.
(AAA) Toadflax:
(i) Dalmation -- Linaria dalmatica;
(ii) Yellow -- Linaria vulgaris.
(BBB) Velvetleaf -- Abutilon theophrasti;
(CCC) Whitetops:
(i) Hairy -- Lepidium pubescens;
(ii) Lens-podded -- Lepidium chalepensis;
(iii) Whitetop (hoary cress) -- Lepidium draba.
(DDD) Yellow flag iris -- Iris pseudacorus;
(EEE) Yellow nutsedge -- Cyperus esculentus;
(FFF) Yellow starthistle -- Centaurea solstitialis;
(c) Agricultural seed as defined in Oregon's Seed Law, ORS 633.511 to 633.750, is exempt from this quarantine but subject to the noxious weed seed tolerances in OAR 603- 056-0205.
(d) Other commodities such as but not limited to wheat are exempt from this quarantine to the extent that they are contaminated with noxious weed seed.
(4) Prohibited and Permitted Acts.
(a) All plants covered in section (3) of this rule are prohibited entry into the State of Oregon.
(b) All plants listed in section (3) of this rule are prohibited from transport, purchase, sale or offering for sale in the State of Oregon.
(c) All plants listed in section (3) of this rule are prohibited from being propagated in the State of Oregon.
(d) All plants listed in section (3) may be collected from the wild in areas that are already infested with the specific species that is collected, provided that the plants, plant parts, or seed are not used for propagation or sale within the State of Oregon.
(5) Disposition of Plants in Violation of the Quarantine. All covered plants listed in
section (3) of this rule are found to be in violation of this quarantine shall be returned immediately to point of origin by the Oregon receiver, if from out of state, or at the owner's option be destroyed under the supervision of the department, without expense to or indemnity paid by the department.
(6) Exceptions. The director may issue a permit allowing entry into this state,
propagation, or selling of plants covered by this rule, upon request, and upon
investigation and finding that unusual circumstances exist justifying such action, and that the benefits of granting the permit outweigh the potential harm that may result from the requested action. The director may impose specific conditions on any permit issued hereunder, and the permit may be canceled for failure to meet the conditions therein. Any permit issued under this section shall be for a limited duration not to exceed one year.
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