digitaria sanguinalis, setaria pumila, brassica oleracea, galinsoga parviflora, setaria verticillata, solanum nigrum, trifolium pratense, amaranthus blitum, amaranthus retroflexus, chenopodium album, cirsium arvense, daucus carota, erigeron canadensis, medicago lupulina, melilotus officinalis, plantago lanceolata, plantago major, polygonum aviculare, senecio vulgaris, taraxacum minimum, verbena officinalis