Glyphosate Resistance Around the World  (13 species)<BR> rigid ryegrass (1996) <BR> goosegrass (1997) <BR> horseweed (2000) <BR> Italian ryegrass (2001) <BR> hairy fleabane (2003) <BR> buckhorn plantain (2003) <BR> common ragweed (2004) <BR> giant ragweed (2004) <BR> Palmer amaranth (2005) <BR> common waterhemp (2005) <BR> johnsongrass (2005) <BR> wild poinsettia (2005) <BR> johnsongrass (2005)<BR>** Can be found in the US<BR>