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