scleranthus annuus, arnoseris minima, draba verna, spergula arvensis, apera spica-venti, crepis tectorum, digitaria ischaemum, fallopia convolvulus, myosotis stricta, ornithopus perpusillus, rumex acetosella, viola arvensis, anthemis arvensis, chenopodium album, elymus repens, myosotis arvensis, poa annua, roemeria argemone, setaria viridis, trifolium arvense