Relier Pairs Weed Species #1Version en ligne Weed Species #1 par Hannah Horak 1 Broadleaf Plantain 2 Common Sunflower 3 Common Ragweed 4 Barnyard Grass 5 Black Nightshade 6 Canada Thistle 7 Cheat 8 Common Mallow 9 Common Purselane 10 Bull Thistle 11 Common Lambsquarter 12 Buckhorn Plantain 13 Common Milkweed 14 Common Chickweed 15 Common Cocklebur