lactuca serriola, salix cinerea, artemisia vulgaris, helianthus tuberosus, chenopodium album, elymus repens, equisetum arvense, erigeron canadensis, persicaria amphibia, salsola kali, senecio viscosus, symphytum uplandicum, aethusa cynapium, apera spica-venti, cirsium arvense, descurainia sophia, erysimum cheiranthoides, medicago lupulina, papaver dubium, roemeria argemone, rumex thyrsiflorus, sisymbrium loeselii, sonchus asper, tanacetum vulgare, urtica dioica