text: brassica napus, stellaria media, apera spica-venti, myosotis arvensis, convolvulus arvensis, thlaspi arvense, tripleurospermum inodorum, achillea millefolium, aphanes arvensis, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, fallopia convolvulus, matricaria chamomilla, phleum pratense, rumex acetosa, stellaria graminea, veronica arvensis, viola arvensis