hordeum murinum, convolvulus arvensis, lolium perenne, poa annua, trifolium fragiferum, anacyclus radiatus, avena barbata, bromus hordeaceus, bromus madritensis, carduus pycnocephalus, centaurea napifolia, crepis bursifolia, erodium moschatum, geranium molle, hirschfeldia incana, lathyrus annuus, lolium multiflorum, lysimachia arvensis, medicago arabica, medicago polymorpha, papaver rhoeas, plantago lanceolata, poa trivialis, trifolium repens, trisetaria panicea