hordeum vulgare, chenopodium album, persicaria lapathifolia, avena sativa, matricaria chamomilla, scleranthus annuus, achillea millefolium, cerastium arvense, cirsium arvense, convolvulus arvensis, polygonum aviculare, raphanus raphanistrum, rumex acetosella, spergula arvensis, vicia sativa, viola arvensis