I did a search and found this. Doesn't make me warm & fuzzy.
I got a call, today, from a customer who has a "lot" of this he wants to get rid of (at a rental property he owns).
I'll post pics, if he wants me to "attempt" to tackle it.
Quick search for available herbicides indicates gly. @ 2%. Sounds like a pipe dream, from the looks of the aforementioned.