List by Scientific Name - List by Common Name

• Home Page
• Destinations
  • Montana
  • Sonoran Desert*
• Birds
  • Montana
  • Sonoran Desert*
• Plants
  • Montana
  • Sonoran Desert*
• Wildlife
  • Montana Insects
  • Montana Wildlife
• Photo Galleries

Cirsium arvense
Canada thistle

Life form: perennial forb
Leaf description: narrow, alternate, pinnatifid, spiny
Flower color: magenta
Armament: spineless
Family: asteraceae
Status: introduced invasive weed
Habitat: disturbed areas (Map)

copyright © Hank Jorgensen 2007