it, roma, convolvulus arvensis, verbascum sinuatum, papaver rhoeas, cynodon dactylon, dittrichia viscosa, raphanus raphanistrum, silybum marianum, avena barbata, sherardia arvensis, hordeum murinum, foeniculum vulgare, avena sterilis, chenopodium album, plantago lanceolata, malva sylvestris, rumex pulcher, bromus hordeaceus, dasypyrum villosum, helminthotheca echioides, lysimachia arvensis, heliotropium europaeum, medicago polymorpha, sonchus oleraceus, daucus carota, vicia sativa, beta vulgaris, portulaca oleracea, urospermum dalechampii, bromus diandrus, carduus pycnocephalus, euphorbia helioscopia, poa annua, galium aparine, salvia verbenaca, cichorium intybus, geranium molle, veronica persica, sonchus asper, amaranthus retroflexus, bromus madritensis, geranium dissectum, galactites tomentosa, scolymus hispanicus, trifolium campestre, dactylis glomerata, anthemis arvensis, poa trivialis, clinopodium nepeta, polygonum aviculare, diplotaxis erucoides