unknown white (Aster family)

unknown white 9/30/2006 southern NJ campground
Update 7/23/12 - Have been talking with some good folks at davesgarden this past week.
They confirmed it's in the Aster family. Which is kind of daunting, so I don't think
I'll find out anything new about this flower unless I go tracking down the leaves,
which is probably a wild goose chase too. :o)

So little time, so much to learn.

Asters & Goldenrods of New England
http://www.nttlphoto.com/botany/asters-goldenrods/Goldenrods/Solidago/Bicolor/s_bicolor.htm
their main page:
http://www.nttlphoto.com/botany/asters-goldenrods/a&g_main.htm

http://www.delawarewildflowers.org/plant.php?id=1903

flower at plants.usda:
http://plants.usda.gov/java/largeImage?imageID=sobi_002_avp.tif

line drawing at plants.usda:
http://plants.usda.gov/java/largeImage?imageID=sobi_001_avd.tif