triticum aestivum, apera spica-venti, elymus repens, myosotis arvensis, tripleurospermum inodorum, agrostis gigantea, bromus secalinus, galium aparine, secale cereale, viola arvensis, avena fatua, centaurea cyanus, cirsium arvense, fallopia convolvulus, galeopsis bifida, galeopsis tetrahit, oxalis stricta, papaver rhoeas, tanacetum vulgare, trifolium repens, veronica arvensis