Priority 2B
Priority 2B weeds are abundant in Montana and widespread in many counties. Management criteria will require containment and suppression where abundant and widespread, and eradication or containment, prevention and education where less abundant. Management shall be prioritized by local weed districts.
| Noxious Weed Species Common Name |
Scientific Name |
|---|---|
| Spotted Knapweed | Centaurea stoebe |
| Houndstongue | Cynoglossum officinale |
| Canada Thistle | Cirsium arvense |
| Oxeye Daisy | Leucanthemum vulgare |
| Whitetop | Cardaria draba, Lepidium draba |
| Hoary Alyssum | Berteroa incana |
| Diffuse Knapweed | Centaurea diffusa |
| Field Bindweed | Convolvulus arvensis |
| Leafy Spurge | Euphorbia esula |
| Common Tansy | Tanacetum vulgare |
| Dalmatian Toadflax | Linaria dalmatica |
| Yellow Toadflax | Linaria vulgaris |
| Sulfur Cinquefoil | Potentilla recta |
| Russian Knapweed | Acroptilon repens, Rhaponticum repens |
| Salt Cedar | Tamarix ramosissima, T. chinensis |
| St. Johnswort | Hypericum perforatum |
| Common Buckthorn | Rhamnus cathartica L |
| Curlyleaf Pondweed | Potamogeton crispup |