echinochloa crus-galli, galium aparine, mentha arvensis, persicaria hydropiper, achillea millefolium, argentina anserina, convolvulus arvensis, daucus carota, galeopsis tetrahit, oxalis stricta, scleranthus annuus, sonchus asper, spergula arvensis, stachys palustris, tripleurospermum inodorum, chenopodium album, gnaphalium uliginosum, heracleum sphondylium, rumex obtusifolius