I had a fascinating talk with a passionate scientist who did her thesis work on Buddleja davidii. She was extremely interested in the social biology of of invasive weeds and their spread. Butterfly bush was an amazing example of this because people feel so strongly on both sides of the argument (beneficial shrub vs. noxious weed). I love this area of inquiry, the human component of invasion and how it relates to human history and perception of nature.
I learn about a potentially important bio-herbicide that is being tested on kudzu. It shows great control potential without adverse effect to the trees the kudzu smothers as is grows. I think some help in that area might possibly be greatly appreciated by residents of the southeast US.
New weeds I learned about: