Noxious Weed List
Jefferson County's Noxious Weed List
Each of these files is in PDF format and requires Adobe Reader (free download) to view and print.
| Eradication is required for: |
| |
Chinese clematis (Clematis orientalis) |
info |
B |
| |
Cypress Spurge (Euphorbia cyparissias) |
info |
A |
 |
Myrtle spurge (Euphorbia myrsinites) |
info |
A |
 |
Oxeye daisy (Chrysanthemum leucanthemum) * portions of Jeffco |
|
B |
| |
Orange hawkweed (Hieracium aurantiacum) |
info |
A |
| |
Plumeless thistle (Carduus acanthoides) |
|
B |
 |
Purple loosestrife (Lythrum salicaria) |
info |
A |
| |
Russian knapweed (Acroptilon repens) |
info |
B |
| |
Spotted knapweed (Centaurea maculosa) |
|
B |
| |
Salt Cedar (Tamarix sp.) |
info |
B |
| |
Yellow starthistle (Centaurea solstitalis)
| |
A |
| |
Control is required for: |
|
|
 |
Canada thistle (Cirsium arvense) |
info |
B |
| |
Diffuse knapweed (Centaurea diffusa) * Portions of Jeffco require eradication |
info |
B |
 |
Hoary cress (Cardaria sp.) |
|
B |
 |
Houndstongue (Cynoglossum officinale) |
info |
B |
 |
Leafy spurge (Euphorbia esula) |
info |
B |
| |
Musk thistle (Carduus nutans) |
info |
B |
 |
Scotch thistle (Onopordum sp.) |
info |
B |
 |
Teasel (Dipsacus sp.) |
info |
B |
 |
Yellow toadflax (Linaria vulgaris) |
|
B |
| Other Weeds of Concern |
| |
Cheat grass |
|
Info |
| |
Common mullein (Verbascum thapsus) |
|
|
 |
Dalmatian toadflax (Linaria sp.) |
|
|
| |
Russian olive (Elaeagnus angustifolia) |
|
link to USDA info |
| Colorado's Noxious Weed List |
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Links to Other Resources |
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Last Modified: Mar 28, 2009 10:18 PM