matricaria discoidea, anthemis arvensis, scleranthus annuus, equisetum arvense, gnaphalium uliginosum, juncus bufonius, trifolium repens, centaurea cyanus, elymus repens, persicaria hydropiper, plantago major, poa annua, polygonum aviculare, raphanus raphanistrum, rumex acetosella, sinapis arvensis, spergula arvensis, trifolium arvense, trifolium pratense, tripleurospermum inodorum, vicia sativa