apera spica-venti, digitaria ischaemum, achillea millefolium, arenaria serpyllifolia, arnoseris minima, bromus secalinus, centaurea cyanus, equisetum arvense, erigeron canadensis, galeopsis ladanum, myosotis arvensis, nigella arvensis, rumex acetosella, scleranthus annuus, capsella bursa-pastoris, fallopia convolvulus, galeopsis tetrahit, teesdalia nudicaulis, trifolium arvense, veronica arvensis, viola arvensis