text: echinochloa crus-galli, spergula arvensis, persicaria lapathifolia, anthemis arvensis, chenopodium album, persicaria maculosa, rumex acetosella, anthoxanthum aristatum, centaurea cyanus, elymus repens, equisetum arvense, erigeron canadensis, erodium cicutarium, knautia arvensis, plantago lanceolata, polygonum aviculare, scleranthus annuus, setaria pumila, tripleurospermum inodorum, viola arvensis