triticum aestivum, alopecurus geniculatus, limosella aquatica, cirsium arvense, lythrum hyssopifolia, myosurus minimus, trifolium repens, tripleurospermum inodorum, capsella bursa-pastoris, elymus repens, plantago major, symphytum officinale, convolvulus arvensis, gnaphalium uliginosum, poa annua