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Helianthus radula

Family: asteraceae
Common name(s): rayless sunflower

General resources

• Wikipedia. Online encyclopedia entry (if defined).
• Google images. Web search for photographs.
• GRIN. Taxonomical details, with common names, distribution, and synonyms.
• The Plant List. Taxonomical lookup
• Dave's Garden. Search the extensive PlantFiles database.

Links for Helianthus radula

• Alabama Plants - Description and photographs of botanical features, with notes about habitat and native status. (6 photos)
• Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation.