secale cereale, scleranthus annuus, apera spica-venti, arnoseris minima, centaurea cyanus, galeopsis segetum, teesdalia nudicaulis, viola arvensis, fallopia convolvulus, vicia sativa, agrostis stolonifera, chenopodium album, poa annua, polygonum aviculare, rumex acetosella, spergula arvensis