centaurea cyanus, chenopodium album, fallopia convolvulus, sonchus arvensis, spergula arvensis, galeopsis tetrahit, persicaria hydropiper, persicaria lapathifolia, rumex acetosella, vicia hirsuta, viola arvensis, capsella bursa-pastoris, erodium cicutarium, gnaphalium uliginosum, scleranthus annuus, stellaria media, vicia sativa