Or. Admin. R. 603-056-0205 - Prohibited and Restricted Noxious Weed Seed

(1) As provided in ORS 633.561 and 633.571, the following are declared as prohibited noxious weed seeds:
(a) Austrian peaweed (Sphaerophysa salsula);
(b) Bearded creeper (Crupina vulgaris);
(c) Bindweed or wild morningglory (Convolvulus arvensis);
(d) Camelthorn (Alhagi camelorum);
(e) Dalmatian toadflax (Linaria dalmatica);
(f) Dyers woad (Isatis tinctoria);
(g) Fieldcress, Austrian (Rorippa austriaca);
(h) Garlic, wiId (Allium vineale);
(i) Goatgrass, jointed (Aegilops spp.);
(j) Halogeton (Halogeton glomeratus);
(k) Italian and slenderfIower thistle (Carduus pycnocephalus and C. tenuiflorus)
(l) Knapweeds Russian, diffuse, spotted and squarrose (Centaurea [=Acroptilon] repens, C. diffusa, C. maculosa and C. virgata);
(m) Musk thistle (Carduus nutans);
(n) Perennial pepperweed (Lepidium latifolium);
(o) Quackgrass (Elytrigia [=Agropyron] repens);
(p) Ragwort, tansy (Senecio jacobaea);
(q) Serrated tussock (Nasella trichotoma);
(r) Skeletonweed (Chondrilla juncea);
(s) Sowthistle, perennial (Sonchus arvensis);
(t) Spurge, leafy (Euphorbia esula);
(u) Starthistles, Malta, yellow, Iberian and purple (Centaurea melitensis, C. solstitialis, C. iberica and C. calcitrapa);
(v) Thistle, Canada (Cirsium arvense);
(w) White top (Cardaria draba and its varieties, and C. pubescens).
(2) As provided in ORS 633.561 and 633.571, the following are declared as restricted noxious weed seeds with the maximum allowable number of seeds per pound: Maximum Allowed Per Pound:
(a) Bedstraw (Galium tricorne) -- 45;
(b) Dodder (Cuscuta spp.) -- 9;
(c) Johnsongrass (Sorghum halepense) -- 5;
(d) Ragweed (Ambrosia artemisiifolia)-- 18;
(e) Medusahead rye (Elymus caput-medusae) -- 45;
(f) St. Johnswort or goatweed (Hypericum perforatum)-- 180.
(3) Any lot of agricultural seed or vegetable seed found containing prohibited noxious weed seeds or restricted noxious weed seeds in excess of the allowable number per pound, may be embargoed, seized or detained as authorized by ORS 633.670(3). The embargoed, seized or detained seed may be released if treated to destroy the viability of the noxious weed seed. Any treatment to destroy the viability of noxious weed seed shall include the grinding or incineration of the screenings so that no whole noxious weed seed are visible upon inspection.


Or. Admin. R. 603-056-0205
AD 8-1983, f. & ef. 7-19-83; AD 1-1989(Temp), f. & cert. ef. 1-26-89; AD 7-1989, f. & cert. ef. 5-26-89; AD 5-1996, f. & cert. ef. 6-7-96

Stat. Auth.: ORS 561 & ORS 633

Stats. Implemented: ORS 633.680

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