elymus repens, zea mays, setaria pumila, achillea millefolium, bidens tripartita, chenopodium album, equisetum arvense, fallopia convolvulus, galinsoga parviflora, gnaphalium uliginosum, oxalis stricta, persicaria hydropiper, raphanus raphanistrum, senecio vulgaris, sonchus asper, spergula arvensis, stachys palustris, tripleurospermum inodorum, viola arvensis