cirsium arvense, convolvulus arvensis, equisetum arvense, lolium perenne, mentha arvensis, oxalis stricta, trifolium repens, argentina anserina, capsella bursa-pastoris, gnaphalium uliginosum, matricaria discoidea, melilotus albus, plantago major, poa annua, rumex obtusifolius, stachys officinalis, symphytum officinale, trifolium dubium, tripleurospermum inodorum