centaurea cyanus, anthemis arvensis, capsella bursa-pastoris, chenopodium album, senecio vulgaris, stellaria media, viola arvensis, apera spica-venti, convolvulus arvensis, elymus repens, fallopia convolvulus, matricaria chamomilla, papaver dubium, papaver rhoeas, poa annua, polygonum aviculare, roemeria argemone, scleranthus annuus, sonchus asper, vicia hirsuta, vicia sativa