bassia scoparia, elymus repens, arrhenatherum elatius, chenopodium album, amaranthus retroflexus, artemisia vulgaris, atriplex sagittata, carduus acanthoides, cirsium arvense, convolvulus arvensis, erigeron canadensis, lolium perenne, poa pratensis, polygonum aviculare, sisymbrium altissimum, tripleurospermum inodorum, achillea millefolium, amaranthus albus, amaranthus powellii, arctium lappa, arctium minus, berteroa incana, bromus tectorum, calamagrostis epigejos, crepis tectorum, diplotaxis tenuifolia, eragrostis minor, erysimum cheiranthoides, erysimum marschallianum, lepidium ruderale, silene latifolia, silene vulgaris, sisymbrium loeselii, sonchus oleraceus, urtica dioica, viola tricolor