centaurea cyanus, tripleurospermum inodorum, apera spica-venti, aphanes arvensis, capsella bursa-pastoris, cirsium arvense, elymus repens, equisetum arvense, fallopia convolvulus, gnaphalium uliginosum, lysimachia arvensis, myosurus minimus, plantago uliginosa, poa annua, scleranthus annuus, stellaria media, thlaspi arvense, veronica hederifolia, vicia hirsuta, viola arvensis, geranium pusillum, myosotis arvensis, trifolium repens