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.
Steamboats of the Lower Fraser River and Harrison Lake Puget Sound and the Fraser River. Ships that called in were the "Suprize", "Enterprise", and the "Wilson G. Hunt". At the onset of the Fraser Canyon Gold Rush and the accompanying declaration of the Colony of British Columbia, British colonial Governor James Douglas, was worried about an American monopoly on British trade and thus declared a law preventing steamboat traffic operating under the American flag from conducting trade in the colony. This did two things, it enabled a local shipbuilding industry and, in as a result in some cases, ship owners changed flags and registry to British shipping. Two dominant