trisetaria panicea, crepis bursifolia, andryala integrifolia, calendula arvensis, dactylis glomerata, erigeron canadensis, erodium malacoides, foeniculum vulgare, hordeum murinum, hypochaeris radicata, malva sylvestris, medicago polymorpha, melilotus indicus, plantago lanceolata, polycarpon tetraphyllum, sagina apetala, scolymus hispanicus, silene latifolia, silene nocturna, sonchus tenerrimus, trifolium campestre, verbascum sinuatum