apera spica-venti, gnaphalium uliginosum, mentha arvensis, myosurus minimus, poa annua, veronica agrestis, capsella bursa-pastoris, cirsium arvense, equisetum arvense, fallopia convolvulus, myosotis arvensis, plantago major, alopecurus aequalis, lysimachia arvensis, poa trivialis, sagina procumbens, sonchus arvensis, stachys palustris, tripleurospermum inodorum