brassica napus, apera spica-venti, matricaria chamomilla, scleranthus annuus, vicia sativa, aphanes arvensis, centaurea cyanus, achillea millefolium, agrostis capillaris, arenaria serpyllifolia, artemisia vulgaris, capsella bursa-pastoris, cerastium holosteoides, cirsium arvense, convolvulus arvensis, fallopia convolvulus, papaver dubium, persicaria lapathifolia, raphanus raphanistrum, rumex acetosella, tussilago farfara, veronica arvensis