tripleurospermum inodorum, apera spica-venti, cirsium arvense, elymus repens, myosotis arvensis, plantago major, aphanes arvensis, capsella bursa-pastoris, centaurea cyanus, convolvulus arvensis, equisetum arvense, gnaphalium uliginosum, sagina procumbens, scleranthus annuus, veronica arvensis, vicia sativa