hordeum vulgare, centaurea cyanus, glebionis segetum, galeopsis tetrahit, scleranthus annuus, vicia hirsuta, apera spica-venti, capsella bursa-pastoris, chenopodium album, cirsium arvense, equisetum arvense, erysimum cheiranthoides, fallopia convolvulus, lycopsis arvensis, rumex acetosella, veronica arvensis, veronica persica, viola arvensis, heracleum sphondylium