capsella bursa-pastoris, galinsoga parviflora, chenopodium ficifolium, chenopodium suecicum, echinochloa crus-galli, elymus repens, erigeron canadensis, lamium amplexicaule, lysimachia arvensis, poa pratensis, rorippa sylvestris, sambucus nigra, thlaspi arvense, veronica polita, viola arvensis