Weed Survey of Indiana 



217 



and the numbers are arranged in the order of importance in which the 

 species were reported by the county agents. The key to these numbers 

 will be found in the following list which was compiled from the county 



Fig. 1. The distribution of the most trouhlesome weeds in Indiana is indicated on 

 this map. The key will be found on page 218. Canada thistle (1) is most common in 

 northern Indiana, wild garlic (3) is the most abundant in southern Indiana, while white 

 top (2), buckhorn (4), wild morning glory (5) and red sorrel (6) are leading weeds 

 in all parts of the state. 



agent reports. The names of the county agents who cooperated in this 

 survey are indicated on the map. No reports were received from the 

 counties in blank. 



