Thinleaf Sunflower
Helianthus decapetalusAsteraceae — Aster family
Uncommon native
![Thinleaf Sunflower](/images/090920_113113.jpg)
![Thinleaf Sunflower](/images/090920_113310.jpg)
White Clay Creek State Park -- Creek Road
September 2009
Guide to Helianthus of Delaware
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.