Woods Rosa, a native species, has been added to the USWildflowers database (06/24/2011.)  Scientific name is Rosa woodsii. Photo below was taken along the Hull’s Gulch National Recreation Trail in Ada County, ID on June 21, 2011.  Go to the Woods’ Rose detail page for more photos and information.

Woods Rose, Common Wild Rose, Mountain Rose – Rosa woodsii

 As a side note, this is the 300th species in the USWildflowers.com wildflower database.