Slender Ladies’ Tresses, a native species, has been added to the USWildflowers database (12/24/2014.)  Scientific name is Spiranthes lacera.  Photo below was taken along the Blue Ridge Parkway in  Carroll County, VA on Sep 2, 2014. Go to the Ladies’ Tresses detail page for more photos and information.

Slender Ladies’ Tresses – Spiranthes lacera