sisymbrium loeselii, capsella bursa-pastoris, chenopodium album, erigeron canadensis, lactuca serriola, tripleurospermum inodorum, convolvulus arvensis, hordeum murinum, poa annua, polygonum aviculare, bromus hordeaceus, carduus acanthoides, fallopia convolvulus, lolium perenne, senecio vulgaris, sonchus oleraceus, triticum aestivum