Gone East

Exotic, invasive plants

No one is saying that this is how the aquatic plants that we're fighting here at the lake work, but, very interesting. NYTimes:

...they have found spotted knapweed's deadly secret: a potent and previously unknown poison that it releases through its roots into the soil to kill off neighboring plants. By eliminating its neighbors, the weed can appropriate all the water and nutrients that the other plants would have taken, and it has plenty of new space to spread out in. More...