centaurea calcitrapa, carduus carpetanus, onopordum acanthium, achillea millefolium, crepis capillaris, daucus carota, eryngium campestre, lolium perenne, malva neglecta, plantago lanceolata, poa annua, rumex crispus, sisymbrium officinale, capsella bursa-pastoris, erodium cicutarium, erodium malacoides, geranium pyrenaicum, malva sylvestris, polygonum aviculare, pteridium aquilinum, rubus ulmifolius, urtica dioica