solanum tuberosum, setaria pumila, galinsoga parviflora, capsella bursa-pastoris, chenopodium album, cirsium arvense, echinochloa crus-galli, erigeron canadensis, lamium purpureum, persicaria maculosa, rumex acetosella, sonchus arvensis, sonchus asper, tripleurospermum inodorum, viola arvensis