sisymbrium loeselii, bromus tectorum, capsella bursa-pastoris, poa compressa, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, bromus hordeaceus, calamagrostis epigejos, campanula rapunculoides, cirsium arvense, daucus carota, erigeron canadensis, hordeum murinum, polygonum aviculare, sisymbrium altissimum, tussilago farfara, carduus acanthoides, descurainia sophia, erigeron annuus, verbascum thapsus