melilotus albus, echium vulgare, sisymbrium altissimum, arrhenatherum elatius, berteroa incana, centaurea stoebe, erigeron annuus, melilotus officinalis, convolvulus arvensis, galium mollugo, lepidium ruderale, plantago lanceolata, reseda lutea, tragopogon pratensis, tripleurospermum inodorum