Currently, there are more than 304 herbicide resistant weed biotypes around the world. This includes 182 different species of plants (109 dicots and 73 monocots). It is estimated that more than 270,000 fields around the world have resistant weed problems.

Herbicide Resistance Around the World<BR> 304 Resistant Biotypes <BR>  <BR>182 Species (109 dicots and 73 monocots)  <BR> <BR> over 270,000 fields<BR>Source: Heap, I.  The  International Survey of Herbicide Resistant Weeds.  Online.  Internet.  <BR>October 20, 2005 .  <BR>