Spikeweed
|  | ||
| Hemizonia pungens | ||
| Family Name: | Asteraceae | |
| Class: | C | |
| Other Names: | common tarweed, maritime spikeweed | |
| Why is it a noxious weed? | Spikeweed is an agricultural pest in the Columbia Basin (southeastern Washington), forming dense stands. It is also avoided by livestock. | |
| More Information: 
 
 
 | Visit Washington State Noxious Weed Control Board Here | 
