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Family: asteraceae
General resources
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
Links for Helianthus annuus
- Annie's Annuals - Catalog page with photo, basic horticultural information, and noteworthy features.
(2 photos)
- BBC Gardening: Helianthus annuus 'Double Shine' - Plant profile with horticultural details and garden uses.
(1 photo). Also pages for Florenza, Giant Single, Infrared, Irish Eyes, Prado Red, Russian Giant, Sunrich Lemon, and Velvet Queen.
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments.
(73 photos)
- Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features.
(4 photos)
- Kemper Center - Plantfinder page for one of the plants growing at the Missouri Botanical Garden, with usually one or more photos, horticultural information, and noteworthy characteristics.
(7 photos). Also a page for Sungold.
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status.
(6 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments
(1 photo)
- Paghat's Garden - Illustrated articles by a gardener in the Pacific Northwest, with background and personal observations.
(4 photos)
- Rainy Side Gardeners - Plant profile compiled by two gardeners in the Pacific Northwest. Includes propagation and pruning methods, and commentary.
(21 photos)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations.
(5 photos)
- Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.

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