centaurea cyanus, alopecurus myosuroides, apera spica-venti, cirsium arvense, matricaria chamomilla, plantago uliginosa, sagina procumbens, vicia hirsuta, vicia sativa, aphanes arvensis, capsella bursa-pastoris, equisetum arvense, fallopia convolvulus, gnaphalium uliginosum, juncus bufonius, lysimachia arvensis, myosotis arvensis, poa annua, polygonum aviculare, ranunculus arvensis, sonchus asper, stachys arvensis, stellaria media, trifolium pratense, trifolium repens, veronica arvensis