Family: asteraceae
Common name(s): swamp sunflower; narrow-leaf sunflower
Hardiness ratings: USDA zone 5~6 - 9~10
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
Links for Helianthus angustifolius
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