galinsoga parviflora, amaranthus blitum, oxybasis glauca, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, portulaca oleracea, senecio vulgaris, setaria verticillata, urtica urens, lamium amplexicaule