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