Weed Department


Board of Directors

Baker County Noxious Weeds

Cost Share Application(PDF)

Noxious Weed Policy

Noxious Weed Plan(PDF)

Related Links

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