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Family: asteraceae
Common name(s): sunflower
Hardiness ratings: USDA zone 4 - 8 
General resources
Links for Helianthus occidentalis
- All Things Plants - Community-assembled plant profile
 (6 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (3 photos)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations.
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (7 photos)
- Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 4-8) (7 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (14 photos)
Common name(s): Fewleaf Sunflower, Naked-stem Sunflower, Western Sunflower
Hardiness ratings: USDA zone 4 - 8
Links
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