Noxious weed list
Click on a common name to view image and detailed description.
Common name |
Scientific name |
| Absinth wormwood | Artemesia absinthium |
| Black henbane | Hyoscyamus niger |
| Bouncingbet | Saponaria officinalis |
| Bull thistle |
Cirsium vulgare |
| Canada thistle | Cirsium arvense |
| Chicory | Cichorium intybus |
| Chinese clematis | Clematis orientalis |
| Common burdock | Arctium minus |
| Common tansy | Tanacetum vulgare |
| Common teasel | Dipsacus fullonum |
| Corn chamomile | Anthemis arvensis |
| Curly dock | Rumex crispus |
| Cutleaf teasel | Dipsacus laciniatus |
| Cypress spurge | Euphorbia cyparissias |
| Dalmatian toadflax | Linaria dalmatica |
| Dame’s rocket | Hesperis matronalis |
| Diffuse knapweed | Centaurea diffusa |
| Hoary cress | Lepidium draba |
| Houndstongue | Cynoglossum officinale |
| Jointed goatgrass | Aegilops cylindrica |
| Leafy spurge | Euphorbia esula |
| Mayweed chamomile | Anthemis cotula |
| Meadow knapweed | Centaurea x moncktonii |
| Mediterranean sage | Salvia aethiopsis |
| Musk thistle | Carduus nutans |
| Myrtle spurge | Euphorbia myrsinites |
| Oxeye daisy | Leucanthemum vulgare |
| Perennial pepperweed | Lepidium latifolium |
| Plumeless thistle | Carduus acanthoides |
| Poison hemlock | Conium maculatum |
| Purple loosestrife | Lythrum salicaria |
| Russian knapweed | Acroptilon repens |
| Russian olive | Elaeagnus angustifolia |
| Salt cedar | Tamarix parviflora, Tamarix ramosissima |
| Scentless chamomile | Tripleurospermum perforatum |
| Scotch thistle | Onopordum acanthium |
| Spotted knapweed | Centaurea maculosa |
| Sulfur cinquefoil | Potentilla recta |
| Yellow starthistle | Centaurea solstitalis |
| Yellow toadflax | Linaria vulgaris |
As of 2020, all Colorado state-listed noxious weeds will be eligible for cost-share reimbursement. This includes A, B, C and Watch List species. Please note that all applications will be reviewed and reimbursements will be made at the discretion of the Cost Share Review Committee.
Colorado Weed Management Association
Noxious Weeds of Colorado is a convenient guide separated into lists and including pictures and easily recognizable characteristics aiding in the identification of each noxious weed.
13th edition – 2018 (220 pages)
Stop by our office to pick up a copy. We are located in Rifle at 195 W. 14th Street, Building D, Suite 310.
