xeranthemum annuum, berteroa incana, bothriochloa ischaemum, bromus japonicus, bromus sterilis, capsella bursa-pastoris, convolvulus arvensis, crupina vulgaris, cynodon dactylon, descurainia sophia, euphorbia agraria, galium humifusum, nepeta cataria, papaver dubium, salvia nemorosa, sisymbrium loeselii, stellaria media