Cometh the devil weed. What's the best way to slay it?

Cometh the devil weed. What's the best way to slay it? Ecologists compare methods of removing an unwelcome intruder More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=243296&WT.mc_id=USNSF_1 This is an NSF Discoveries item. Save Save   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111