chenopodium album, elymus repens, equisetum arvense, fallopia convolvulus, geranium pusillum, persicaria amphibia, senecio vulgaris, urtica dioica, vicia hirsuta, capsella bursa-pastoris, cirsium arvense, crepis tectorum, erigeron canadensis, gnaphalium uliginosum, matricaria chamomilla, myosotis arvensis, stellaria media, tripleurospermum inodorum