text: centaurea cyanus, conringia orientalis, fallopia convolvulus, mentha arvensis, papaver rhoeas, anchusa azurea, androsace maxima, avena barbata, bromus erectus, bupleurum rotundifolium, chenopodium album, convolvulus arvensis, cota tinctoria, fumaria officinalis, galium aparine, gypsophila vaccaria, hordeum murinum, isatis tinctoria, lactuca virosa, mercurialis annua, picris hieracioides, potentilla reptans, ranunculus arvensis, sinapis arvensis, valerianella locusta