chenopodium album, erigeron canadensis, apera spica-venti, cirsium arvense, achillea millefolium, capsella bursa-pastoris, elymus repens, fallopia convolvulus, matricaria chamomilla, polygonum aviculare, rumex acetosella, stellaria media, viola arvensis, artemisia vulgaris, lamium amplexicaule, roemeria argemone, vicia hirsuta