papaver rhoeas, anacyclus clavatus, lolium rigidum, rapistrum rugosum, roemeria hybrida, strigosella africana, alyssum simplex, avena fatua, capsella rubella, cirsium arvense, convolvulus arvensis, coronilla scorpioides, erucastrum nasturtiifolium, filago pyramidata, fumaria officinalis, galium tricornutum, herniaria cinerea, hypecoum imberbe, lactuca serriola, medicago polymorpha, neslia paniculata, polygonum aviculare, scandix pecten-veneris, vicia peregrina, asperugo procumbens, atriplex patula, biscutella auriculata, euphorbia serrata, lathyrus hirsutus, roemeria argemone