What is the most common weed in the world?

Answer 1

Burdock (Arctium spp) is considered one of the world's most common weeds. Home and Garden TV (HGT) lists 12 plants as most commonly encountered on residential lawns. The list ranges from common ragworth (Senecio jacobaea) to:

• creeping buttercup (Ranunculus repens);
  
• creeping thistle (Cirsium arvense);
  
• daisy weed (Bellis perennis), dandelion (Taraxacum officinale);
  
• greater plantain (Plantago major);
  
• green foxtail (Setaria viridis);
  
• ground ivy (Glechoma hederacea);
  
• self-heal (Prunella vulgaris);
  
• sheep's sorrel (Rumez acetosella);
  
• slender speedwell (Veronica filiformis);
  
• white clover (Trifolium repens);
  
• yarrow (Achillea millefolium).