xeranthemum annuum, descurainia sophia, agrimonia eupatoria, artemisia absinthium, berteroa incana, bothriochloa ischaemum, bromus japonicus, bromus sterilis, capsella bursa-pastoris, carex caryophyllea, convolvulus arvensis, cynodon dactylon, nepeta cataria, papaver dubium, sisymbrium loeselii, stellaria media, urtica dioica