Spiny Cocklebur
|  | ||
| Xanthium spinosum | ||
| Family Name: | Asteraceae | |
| Class: | C | |
| Other Names: | prickly burweed | |
| Why is it a noxious weed? | Its spiny burrs can become tangled in the hide of cattle and horses and in the wool of sheep. It can provide competition for summer crops and is a nuisance to pickers in hand-harvested crops. The seeds and cotyledonary seedlings are poisonous. | |
| More Information: 
 
 
 | Visit Washington State Noxious Weed Control Board Here | 
