digitaria ischaemum, agrostis capillaris, chenopodium album, centaurea cyanus, crepis tectorum, elymus repens, equisetum arvense, fallopia convolvulus, poa annua, polygonum aviculare, scleranthus annuus, setaria viridis, spergula arvensis, stellaria media, tripleurospermum inodorum, viola arvensis, persicaria lapathifolia