bunias orientalis, erigeron canadensis, arctium tomentosum, arrhenatherum elatius, artemisia vulgaris, atriplex patula, berteroa incana, capsella bursa-pastoris, descurainia sophia, lactuca serriola, lepidium ruderale, medicago lupulina, poa annua, poa compressa, sisymbrium loeselii, urtica dioica, convolvulus arvensis