centaurea cyanus, anthemis arvensis, aphanes arvensis, roemeria argemone, veronica arvensis, veronica hederifolia, apera spica-venti, capsella bursa-pastoris, matricaria chamomilla, poa annua, scleranthus annuus, stellaria media, viola arvensis, achillea millefolium, agrostis stolonifera, fallopia convolvulus, glebionis segetum, papaver dubium, polygonum aviculare, raphanus raphanistrum, rumex acetosella, senecio vulgaris, spergula arvensis, trifolium repens, vicia sativa, arnoseris minima