bassia scoparia, amaranthus retroflexus, artemisia vulgaris, erigeron canadensis, tripleurospermum inodorum, arrhenatherum elatius, bromus sterilis, cirsium arvense, crepis capillaris, diplotaxis tenuifolia, erysimum marschallianum, lepidium ruderale, melilotus officinalis, picris hieracioides, plantago major, poa pratensis, sisymbrium altissimum, sisymbrium loeselii