[MEGoody]

I did not use the term 'species', did I? Read my post. Is there evidence that a mum developed into a weed? How about an oak tree? No? Okay.

[Condorman]

Please defind "weed" before we continue this discussion. It's not a particularly rigorous term. Dandelions and kudzu are both weeds. Would you expect them to interbreed? Why or why not?

The article describes a hybrid of two different kinds of weeds which is unable to breed with either of the parent plants. Dismissing this discovery with the statement "so what, all three are weeds" betrays a fundamental ignorance of biology.

Theories change to accomodate new evidence. Unless you have evidence that some kind of special creation event took place, this little bugger is a confirmation of the evolutionary process.