centaurea cyanus, anthemis arvensis, bunias erucago, centaurea scabiosa, convolvulus arvensis, fallopia convolvulus, lolium rigidum, myosotis ramosissima, neslia paniculata, plantago lanceolata, polygonum aviculare, rumex acetosella, vicia cracca, alyssum alyssoides, asperula arvensis, bromus sterilis, carlina acanthifolia, cirsium arvense, crepis foetida, echinops ritro, eryngium campestre, lamium amplexicaule, petrorhagia prolifera, phleum pratense, poa compressa, scleranthus annuus, valerianella rimosa, viola arvensis