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Family: asteraceae
Common name(s): bull thistle
Hardiness ratings: USDA zone 3 - 8 
General resources
Links for Cirsium vulgare
- Cretan Flora - Botanical description of this species native to Crete. (additional pages for other varieties)
 (5 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-8) (13 photos)
- Garden.org - Community-assembled plant profile (16 photos)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations. (2 photos)
- Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (11 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (5 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 3-8) (6 photos)
- PlantzAfrica - Features South African plants, with photos, description, distribution and ecology, and uses. (11 photos)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. (3 photos)
- Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (10 photos)
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