Rubus ursinus
Rubus ursinus is a North American species of blackberry or dewberry, known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry, Pacific dewberry and trailing blackberry. == Description == Rubus ursinus is a wide, mounding shrub or vine, growing to 0.6–1.5 metres (2–5 feet) tall and more than 1.8 m (6 ft) wide.