Carolina Geranium, a native species, has been added to the USWildflowers database (04/23/2012.) Scientific name is Geranium carolinianum.  Photo below was taken in Walker County, GA, on May 23, 2012.   It  is also known by the common name Carolina Cranesbill.  Go to the Carolina Geranium detail page for more information.

Carolina Geranium, Carolina Cranesbill – Geranium carolinianum