1.  Common mullein (Verbascum thaspsus); Figwort (Scrophulariaceae); Biennial
  Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

2.  Horsetail (Equisetum arvense); Horsetail (Equisetaceae); Perennial
  Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

3.  Puncture vine (Tribulus terrestris); Caltrop (Zygophyllaceae); Annual
  Source:   http://www.ipm.ucdavis.edu/PMG/weeds_common.html
 
 

4.  Chickory (Cichorium intybus); Sunflower (Asteraceae); Perennial
  Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

5.  Scotch thistle (Onopordum acanthium); Sunflower (Asteraceae); Biennial
  Source:  http://www.agf.gov.bc.ca/croplive/cropprot/
 
 

6.  Wild carrot (Daucus carota); Parsley (Apiaceae); Biennial Source:  http://www.wa.gov/agr/weedboard/weed_info/gallery.html and http://www.css.orst.edu/weeds/id.html