Michaux’s Saxifrage, a native species, has been added to the USWildflowers database (10/02/2013.) Scientific name is Micranthes petiolaris. Photo below was taken on Clingman’s Dome in the Great Smoky Mountains National Park on Sep 23, 2013.  Go to the Michaux’s Saxifrage detail page for more photos and information.

Michaux’s Saxifrage – Micranthes petiolaris