berteroa incana, lepidium ruderale, medicago lupulina, tripleurospermum inodorum, achillea millefolium, carduus acanthoides, erigeron canadensis, melilotus officinalis, picris hieracioides, poa pratensis, artemisia vulgaris, crepis biennis, crepis foetida, fallopia convolvulus, lactuca serriola, linaria vulgaris, lotus corniculatus, plantago major, sinapis arvensis, sonchus oleraceus