hordeum vulgare, cerastium holosteoides, cirsium arvense, equisetum arvense, poa angustifolia, polygonum aviculare, ranunculus repens, rumex obtusifolius, tripleurospermum inodorum, veronica hederifolia, vicia sativa, vicia tetrasperma, achillea millefolium, centaurea cyanus, mentha arvensis, papaver rhoeas, plantago lanceolata