chenopodium album, trifolium repens, bidens tripartita, echinochloa crus-galli, erigeron canadensis, galinsoga parviflora, persicaria maculosa, ranunculus repens, equisetum arvense, fallopia convolvulus, galeopsis tetrahit, galium aparine, setaria pumila, urtica dioica, vicia cracca, viola arvensis, achillea millefolium, silene latifolia