Christmas tree pests and weeds Douglas fir, grand fir, white fir and California red fir on Christmas trees in Santa Clara County. Camellias imported from California to British Columbia in 2003 and early 2004 caused a significant SOD scare in the horticultural and Christmas tree industries. The detection of "P. ramorum" led to plant recalls in Canada, and a series of steps meant to quarantine the disease before it spread. The 2003–2004 SOD scare extended to Washington and Oregon nurseries and farms. Douglas-firs are vulnerable to the two plant pathogens that cause Rhabdocline needlecast, "Rhabdocline pseudotsugae", and "Rhabdocline weirii". "R. weirii" affects only Douglas-fir trees.
Douglas Ranges of 1857-1860, which used the Harrison River and Harrison Lake as part of a route to the Interior, the Douglas Road. They are not named directly for the colonial Governor, Sir James Douglas, but for the port and road that bore his name. Douglas Ranges The Douglas Ranges are a subrange of the Pacific Ranges of the Coast Mountains of the Canadian province of British Columbia, about east of downtown Vancouver, north of the Fraser River and between the valleys of Stave and Harrison Lakes. They are approximately in area. Their highest peak is Mount Robertson , at the northwest