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Cirsium arvense

Family: asteraceae
Common name(s): Canada thistle
Synonym(s): Breea arvensis
Hardiness ratings: USDA zone 3 - 7

General resources

  • Wikipedia. Online encyclopedia entry (if defined).
  • Google images. Web search for photographs.
  • GRIN. Taxonomical details, with common names, distribution, and synonyms.
  • The Plant List. Taxonomical lookup

Links for Cirsium arvense

  • All Things Plants - Community-assembled plant profile (14 photos)
  • Connecticut Botanical Society - Wildflower profile. (2 photos)
  • Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-7a) (10 photos)
  • Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations. (3 photos)
  • Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (7 photos)
  • Rob's Plants - Plant profile with basic horticultural information and often personal observations. (1 photo)
  • Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (5 photos)
  • Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.

Last updated:04 Jul 2017