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Map of the sites holding the search term ""Heracleum mantegazzianum""

There is 1 site that mentions "Heracleum mantegazzianum".

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Tweed Catchment Rivers - England: Till Catchment

…. Along the banks of the lower Till, non native species such as giant hogweed, Heracleum mantegazzianum, Japanese knotweed Reynoutria japonica and Himalayan balsam Impatiens glandulifera have become established. Semi natural woodland occurs more frequently along the banks of th…

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