chenopodium album, thlaspi arvense, geranium pusillum, lamium amplexicaule, lamium purpureum, papaver rhoeas, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, elymus repens, fumaria officinalis, galium aparine, lapsana communis, polygonum aviculare, tripleurospermum inodorum, veronica persica, vicia tetrasperma, viola arvensis