Pale Evening Primrose, a native species, has been added to the USWildflowers database (11/15/2012.) Scientific name is Oenothera pallida. It is also known by the common names White Evening Primrose, and Pale-Stemmed Evening Primrose. Photo below was taken in the Boise Foothills, Ada County, ID on June 19, 2010. Go to the Pale Evening Primrose detail page for more photos and information.