Autumn Sneezeweed, a native species, has been added to the USWildflowers database (10/07/2013.) Scientific name is Helenium autumnale.  Photo below was taken in Botetourt County, VA on Oct 2, 2013.  Go to the Autumn Sneezeweed detail page for more photos and information.

Autumn Sneezeweed – Helenium autumnale