Glyphosate Resistance Around the World 24 species<BR>rigid ryegrass (1996) <BR>goosegrass (1997) <BR>Horseweed (2000) <BR>Italian ryegrass (2001) <BR>Buckhorn Plainain (2003) <BR>Hairy fleabane (2003) <BR>Ragweed parthenium (2004) <BR>Common ragweed (2004) <BR>Giant ragweed (2004) <BR>Johnsongrass (2005) <BR>Common waterhemp (2005) <BR>Palmer amaranth (2005) <BR>Sourgrass (2005) <BR>Kochia (2007) <BR>Junglerice (2007) <BR>Gramilla mansa (2008) <BR>Liverseedgrass (2008) <BR>Perennial ryegrass (2008) <BR>Sumatran fleabane (2009) <BR>Annual bluegrass (2010) <BR>Australina fingergrass (2010) <BR>Tropical sprangletop (2010) <BR>Ripgut brome (2011) <BR>Spiny amaranth (2012) <BR>