plantago major, capsella bursa-pastoris, myosotis arvensis, persicaria maculosa, poa annua, sonchus asper, stellaria aquatica, stellaria media, cerastium glomeratum, chenopodium album, erigeron canadensis, galinsoga quadriradiata, lipandra polysperma, matricaria discoidea, raphanus raphanistrum, rumex obtusifolius, sonchus oleraceus