hordeum murinum, bromus hordeaceus, elymus repens, lolium perenne, plantago major, poa annua, achillea millefolium, artemisia vulgaris, capsella bursa-pastoris, diplotaxis tenuifolia, erigeron canadensis, lolium multiflorum, plantago lanceolata, polygonum aviculare, sisymbrium officinale, trifolium repens