hordeum vulgare, chenopodium album, raphanus raphanistrum, avena sativa, viola arvensis, apera spica-venti, centaurea cyanus, equisetum arvense, fallopia convolvulus, persicaria lapathifolia, polygonum aviculare, scleranthus annuus, spergula arvensis, trifolium arvense, veronica hederifolia, vicia hirsuta, vicia sativa