hordeum murinum, sisymbrium officinale, brassica nigra, bromus rubens, descurainia sophia, lolium perenne, trifolium pratense, bromus sterilis, centaurea calcitrapa, convolvulus arvensis, dactylis glomerata, eryngium campestre, lolium multiflorum, malva sylvestris, marrubium vulgare, medicago sativa, papaver rhoeas, silene vulgaris