sisymbrium officinale, capsella bursa-pastoris, erigeron canadensis, hordeum murinum, lepidium ruderale, tripleurospermum inodorum, artemisia vulgaris, bromus sterilis, convolvulus arvensis, dactylis glomerata, lactuca serriola, polygonum aviculare, torilis japonica, urtica urens, lolium perenne, poa pratensis