Cirsium arvense
Commonly known as Canada thistleDistribution Map
This weed can be found in the following counties of New Mexico:
- Chaves
- Colfax
- Lincoln
- Los Alamos
- McKinley
- Mora
- Otero
- Rio Arriba
- San Juan
- Sandoval
- Santa Fe
- Taos
- Torrance
Weed Classification
| Noxious Weed Class | Class C: Species are widespread throughout the state. Management decisions should be made at a local level based on the feasibility of control and level of infestation. |
|---|---|
| Weed Type | forb |
| Found in | rangeland |
| Duration | perennial |
| Juice | not milky |
| Spines, Thorns, and Prickles | leaves |
| Growth Habit at Maturity | spreading |
| Leaf Arrangement | alternate |
| Leaf Type | not lobed |
| Presence of Leaf Tendils | absent |
| Leaf Succulence | not succulent |
| Stem Shape | round |
| Flower Color | blue-purple,white-cream |
| Flower Symmetry | symmetric |
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