hordeum vulgare, avena sativa, galinsoga quadriradiata, spergula arvensis, agrostis stolonifera, apera spica-venti, chenopodium album, galinsoga parviflora, herniaria hirsuta, persicaria minor, polygonum aviculare, rumex acetosella, setaria pumila, anthemis arvensis, cerastium arvense, equisetum arvense, erigeron canadensis, erodium cicutarium, gnaphalium uliginosum, sinapis arvensis, sonchus arvensis, sonchus oleraceus, spergularia rubra, stellaria media