centaurea cyanus, convolvulus arvensis, alyssum alyssoides, camelina microcarpa, erigeron canadensis, polygonum aviculare, scleranthus annuus, setaria viridis, veronica hederifolia, veronica triphyllos, veronica verna, viola arvensis, adonis aestivalis, artemisia absinthium, buglossoides arvensis, chenopodium album, fallopia convolvulus, galeopsis ladanum, galium spurium, medicago lupulina, myosotis arvensis, roemeria argemone, trifolium arvense, agrostemma githago, papaver rhoeas