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M. J. Simard, A. Legere, D. Pageau, J. Lajeunesse, and S. Warwick, no supporting references (other than two in-house reports), especially with regard to long-distance pollination, although there are numerous scientific publications on the long-distance pollen vectors responsible for this dispersal and on assessment of the ensuing risks, Weed Technol, vol.16, pp.433-439, 2002.

. Cresswell, , 2005.

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, Insect-mediated transfer of viable pollen over distances above one kilometre has been clearly demonstrated (for example, 2011.

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