Rosa nutkana 
(Rose-uh  noot-KAY-nuh)

Names:  Nutkana is derived from Nootka; Nootka Sound is a waterway on the west coast of Vancouver Island in British Columbia that was named after a tribe that lived in the area.  Nootka Rose is sometimes called Common, Wild, or Bristly Rose.  There are four recognized varieties whose names suggest differences in bristling.
Relationships: There are over 100 species of rose world-wide and thousands of cultivated varieties. Most are native to Asia, but several are also found in Europe, North America and Northwest Africa. There are about 22 species native to the United States. We have 3 common species on the west side of the Cascades in the northwest: Rosa gymnocarpa, R. nutkana, & R. pisocarpa. R. woodsii is common on the east side of the Cascades.

Distribution of Nootka Rose from USDA Plants Database
Distribution:  Nootka Rose is found from southern Alaska to the northern California coast; east to Montana in the north and northern New Mexico in the south.
Growth: This species grows 2-9 feet (.5-3m.)
Habitat: Nootka Rose is found in a variety of habitats: shorelines, floodplains, streambanks, meadows, open forests and forest edges. Wetland designation: FAC, It is equally likely to occur in wetlands or non-wetlands.