polygonum aviculare, lepidium ruderale, hordeum murinum, poa annua, sisymbrium officinale, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, daucus carota, descurainia sophia, elymus repens, lolium perenne, papaver rhoeas, plantago lanceolata, plantago major, trifolium repens, tripleurospermum inodorum