chenopodium album, aphanes arvensis, arabidopsis thaliana, artemisia vulgaris, capsella bursa-pastoris, cirsium arvense, crepis tectorum, equisetum arvense, fallopia convolvulus, fumaria officinalis, galinsoga parviflora, geranium pusillum, gnaphalium uliginosum, hypochaeris glabra, juncus bufonius, lamium amplexicaule, mentha arvensis, myosotis arvensis, persicaria lapathifolia, roemeria argemone, rumex acetosella, sagina procumbens, setaria viridis, spergula arvensis, stellaria media, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, achillea millefolium, erigeron canadensis, stachys palustris