avena sativa, medicago lupulina, trifolium repens, galinsoga parviflora, apera spica-venti, artemisia vulgaris, bromus diandrus, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, lolium perenne, papaver dubium, papaver rhoeas, roemeria argemone, veronica arvensis, veronica persica