Weed Department
Board of Directors
Baker County Noxious Weeds
Cost Share Application(PDF)
Cost Share e-Form(Electronic submittal form)
Noxious Weed Policy
Noxious Weed Plan(PDF)
Related Links
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2011 Baker County Noxious Weeds
"Watch List", "A", "B" & "C" Designated Weeds
"A" List Weeds are Eligible for Cost-Share
| "Watch List"- Few Known Sites; Controlled by Weed Supervisor County-Wide |
| 1. Musk Thistle |
Carduus nutans |
| 2. Mediterranean sage |
Salvia aethiopis |
| 3. Dyers Woad |
Istasis tinctoria |
| 4. Common bugloss |
Anchusa officinalis |
| "A" Designated Weeds - Mandatory Control County-Wide |
| 1. Tansy ragwort |
Senecio jacobaea |
| 2. Leafy spurge |
Euphorbia esula |
| 3. Rush skeletonweed |
Chondrilla juncea |
| 4. Spotted knapweed |
Centaurea maculosa |
| 5. Diffuse Knapweed |
Centaurea diffusa |
| 6. Dalmation toadflax |
Linaria dalmatica |
| 7. Yellow starthistle |
Centaurea solstitialis |
| 8. Perennial pepperweed |
Lepidium latifolium |
| 9. Purple loosestrife |
Lyrum salicaria |
| 10. Black henbane |
Hyoscyamus niger |
| 11. Jointed goatgrass |
Aegilops cylindrica |
| 12. Buffalobur |
Solanum rostratum |
| 13. Japanese knotweed |
Polygonum cuspidatum |
| 14. Scotch Thistle |
Onopordum acanthium |
| 15. Yellow flag iris |
Iris pseudacorus |
| 16. Salt Cedar |
Tamarix ramosissima |
| 17. Whitetop |
Lepidium draba |
| Whitetop is listed as an "A" weed in designated areas of the County. Pine Valley and West Baker Valley and Bowen Valley/Sumpter areas are Mandatory Control. Contact Baker County Weed Control for specific information at 541-523-0618. |
| "B" Designated Weeds - Widespread and/or of High Concern |
| 1. Whitetop |
Lepidium draba |
| NOTE!: Whitetop is a "B" weed in all other areas of the County not listed in the above section. |
| 2. Russian knapweed |
Centaurea repens |
| 3. Canada thistle |
Cirsium vulgare |
| 4. Venice mallow |
Hibiscus trionum |
| 5. Yellow toadflax |
Linaria vulgaris |
| 6. Dodder |
Cuscuta campestris |
| 7. Chickory |
Cichorium intybus |
| 8. Teasel |
Dipsacus fullonum |
| 9. Common Tansy |
Tanacetum vulgare |
| 10. Klamathweed |
Hypericum perforatum |
| 11. Puncturevine |
Tribulus terrestris |
| 12. Myrtle spurge |
Euphorbia myrsinites |
| 13. Sulfur cinquefoil |
Potentilla recta |
| "C" Designated Weeds - Widespread and/or of Moderate Concern |
| 1. Poison hemlock |
Conium maculatum |
| 2. Morningglory |
Convolvulus arvensis |
| 3. Russian thistle |
Salsola iberica |
| 4. Medusahead wildrye |
Taeniatherum caput- medusae |
| 5. Kochia |
Kochia scoparia |
| 6. Common mullein |
Verbascum thapsis |
| 7. Moth mullein |
Verbascum blattaria |
| 8. Bur buttercup |
Ranunculus testiculatus |
| 9. Water hemlock |
Cicuta douglasii |
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