1. Canada thistle (Cirsium arvense); Sunflower (Asteraceae); Perennial
  source: http://www.agf.gov.bc.ca/croplive/cropprot/weedguid/weedguid.htm
 
 

2.  Redroot Pigweed (Amaranthus retroflexus); Pigweed (Amaranthaceae); Annual Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

3.  Lambsquarter (Chenopodium album); Goosefoot (Chenopodiaceae); Annual
  Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

4.  Field bindweed (Convolvulus arvensis); Morningglory (Convolvulaceae); Perennial
  Source:  http://www.ipm.ucdavis.edu/PMG/weeds_common.html
 
 

5.  Johnsongrass (Sorghum halepense); Grass (Poaceae); Perennial
  Source:  http://www.ipm.ucdavis.edu/PMG/weeds_common.html