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Family: asteraceae
Common name(s): false sunflower
Hardiness ratings: USDA zone 2~4 - 8~9 
General resources
Links for Heliopsis helianthoides
- Connecticut Botanical Society - Wildflower profile.
 (3 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-8) (2 photos)
- Denver Botanic Gardens: Heliopsis helianthoides 'Asahi' - Description, native range, and cultural requirements. (zone 4) (4 photos)
- Digging Dog Nursery: Heliopsis helianthoides 'Summer Nights' - Catalog page with descriptive information (zone 4)
- Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 2-9) (2 photos)
- Garden.org - Community-assembled plant profile (2 varieties in database) (12 photos)
- Heritage Perennials: Heliopsis helianthoides ‘Sunstruck’ - Profile with description and horticultural details. (additional pages for other varieties) (zone 4-9) (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 (11 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (61 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 3-9) (5 photos). Also pages for 'Fire Twister', 'Inhelsodor' TUSCAN GOLD, 'Prairie Sunset', and 'Tuscan Sun'.
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (9 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 3-9a) (10 photos)
- Ontario Rock Garden Society - Germination information (additional information for other varieties)
- Plant Delights Nursery: Heliopsis helianthoides 'Loraine Sunshine' - Catalog page with photo, horticultural basics, and descriptive blurb. (additional pages for other varieties) (1 photo)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (4 photos)
Common name(s): oxeye sunflower
Synonym(s): Heliopsis scabra
Hardiness ratings: USDA zone 3~4 - 8~9
Links
- Annie's Annuals: Heliopsis helianthoides scabra 'Summer Nights' - Catalog page with photo, basic horticultural information, and noteworthy features. (zone 4-9) (1 photo)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-8) (2 photos)
- Denver Botanic Gardens: Heliopsis helianthoides var. scabra 'Bleeding Hearts' - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 3). Also a page for 'Sommersonne' Summer Sun.
- Digging Dog Nursery: Heliopsis helianthoides var. scabra 'Goldgr - Catalog page with descriptive information (zone 4)
- Garden.org - Community-assembled plant profile (5 varieties in database) (3 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 3-9). Also pages for 'Burning Hearts', 'Goldgefieder' GOLDEN PLUME, 'Sommersonne' SUMMER SUN, 'Spitzentanzerin' BALLERINA, and 'Venus'.
- Ontario Rock Garden Society - Germination information. Also a page for 'Prairie Sunset'.
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