Fringed Phacelia, a native species, has been added to the USWildflowers database (07/05/2015.)  Scientific name is Phacelia fimbriata. Photo below was taken in the Great Smoky Mountains near Newfound Gap on May 05, 2015. Go to the Fringed Phacelia detail page for more photos and information.

Fringed Phacelia – Phacelia fimbriata