poa annua, stellaria media, urtica urens, capsella bursa-pastoris, chenopodium album, fallopia convolvulus, galinsoga parviflora, solanum nigrum, viola arvensis, elymus repens, gnaphalium uliginosum, persicaria maculosa, polygonum aviculare, rumex acetosella, sonchus asper, spergula arvensis, vicia sativa