Brian Colleran

Knotweed is not ‘nature doing what nature does,’ it’s a foreign invader destroying the ecosystem

RE: “In defense of knotweed” [Viewpoint, May 29]:

I can understand how Timothy Scott, as one who makes a living in herbal medicine, can appreciate Japanese knotweed as a useful plant, since he uses it to help treat Lyme disease and he sees the hand of fate in the luck of having his preferred treatment spreading with the disease.

I can also appreciate the other uses for it that he mentions, such as it being an edible plant, a potential biofuel, and that it can clean contaminants out of the soil.

However, I cannot agree with Scott referring to the spread of knotweed in Irene-affected areas as “nature doing what nature does.”...

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