Red-osier Dogwood, a native species, has been added to the USWildflowers database (07/04/2012.) Scientific name is Cornus sericea.  Photo below was taken along the Kleinschmidt Grade in Adams County, ID on May  26, 2012.   It  is also known by the common names Western Dogwood, American Dogwood.  Go to the Red-osier Dogwood detail page for more photos and information.

Red-osier Dogwood, Western Dogwood, American Dogwood – Cornus sericea