avena sativa, galinsoga parviflora, medicago sativa, apera spica-venti, galinsoga quadriradiata, gnaphalium uliginosum, setaria pumila, cirsium arvense, galeopsis ladanum, galeopsis tetrahit, lolium perenne, mentha arvensis, plantago major, silene latifolia, sinapis arvensis, stachys palustris, trifolium pratense, viola arvensis