echinochloa crus-galli, fallopia convolvulus, galinsoga parviflora, viola arvensis, artemisia vulgaris, chenopodium album, equisetum pratense, galeopsis bifida, solanum nigrum, sonchus asper, tripleurospermum inodorum, vicia sativa, apera spica-venti, capsella bursa-pastoris, stellaria media