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Family: asteraceae
Common name(s): Bitterweed
Hardiness ratings: USDA zone 3~6 - 10 
General resources
Links for Helenium amarum
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments.
 (5 photos)
- Denver Botanic Gardens: Helenium amarum 'Dakota Gold' - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 6) (1 photo)
- Garden.org: Helenium amarum 'Dakota Gold' - Community-assembled plant profile (1 photo)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations.
- Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (9 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (41 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 3-10) (1 photo)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (8 photos)
- Native Plants of Central Texas - Photos with brief comments from University of Texas at Austin. (4 photos)
- Ontario Rock Garden Society - Germination information
Links
Links
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