sclerochloa dura, polygonum aviculare, capsella bursa-pastoris, carduus nutans, cirsium vulgare, conium maculatum, cynodon dactylon, lepidium ruderale, matricaria chamomilla, onopordum acanthium, plantago lanceolata, poa bulbosa, poa pratensis, trifolium repens, veronica arvensis