centaurea cyanus, anthemis arvensis, apera spica-venti, tripleurospermum inodorum, vicia tetrasperma, agrostemma githago, arenaria serpyllifolia, artemisia vulgaris, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, convolvulus arvensis, erigeron canadensis, galium aparine, persicaria lapathifolia, poa annua, stellaria media, veronica arvensis, vicia hirsuta, vicia villosa