centaurea cyanus, anthemis arvensis, arenaria serpyllifolia, bunium bulbocastanum, convolvulus arvensis, polygonum aviculare, thlaspi arvense, adonis aestivalis, alyssum alyssoides, buglossoides arvensis, camelina microcarpa, capsella bursa-pastoris, cirsium arvense, descurainia sophia, fallopia convolvulus, galeopsis ladanum, medicago lupulina, veronica hederifolia, veronica polita, viola arvensis, artemisia absinthium