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Kai Yan, Joseph Wong   cc-by-nc-sa

Helianthus annuus (Common Sunflower) is a species of annual herb in the family Asteraceae. It has a self-supporting growth form. It is associated with freshwater habitat. Common Sunflower is native to the contiguous United States and North America. It has simple, broad leaves and yellow flowers. Flowers are visited by Brown-belted Bumblebee. Common Sunflower is a photoautotroph.

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EOL has data for 81 attributes, including:

Known occurrences, collected specimens and observations of common sunflower. View this species on GBIF