A very interesting article about a recent study published in Science. CSU researchers
found that spotted knapweed's invasiveness is due to its production of a toxin to
which no known native species are resistant. I've seen some posts about knapweed
here and thought it might be of interest.
http://nytimes.com/2003/09/09/science/09WEED.html?8hpib
Elizabeth
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Received on Thu Sep 11 2003 - 11:00:06 EDT