centaurea cyanus, agrostemma githago, anthemis cotula, buglossoides arvensis, bunium bulbocastanum, chenopodium album, cirsium arvense, convolvulus arvensis, fallopia convolvulus, fumaria officinalis, galeopsis ladanum, galium aparine, galium tricornutum, legousia speculum-veneris, polygonum aviculare, ranunculus arvensis, raphanus raphanistrum, scandix pecten-veneris, senecio vulgaris, trifolium arvense, veronica hederifolia, vicia pannonica, vicia sativa, viola tricolor