hordeum distichon, papaver rhoeas, polygonum bellardii, alopecurus myosuroides, alyssum alyssoides, amaranthus retroflexus, anthemis arvensis, atriplex patula, avena sterilis, buglossoides incrassata, capsella bursa-pastoris, chondrilla juncea, cirsium arvense, convolvulus arvensis, crepis pulchra, equisetum ramosissimum, euphorbia helioscopia, fumaria officinalis, galium spurium, herniaria cinerea, hypecoum imberbe, lactuca serriola, lolium rigidum, lysimachia arvensis, medicago polymorpha, phleum paniculatum, ranunculus arvensis, rapistrum rugosum, scandix pecten-veneris, sherardia arvensis, sonchus oleraceus, veronica arvensis, veronica hederifolia, vicia peregrina, vicia sativa