herniaria glabra, euphorbia maculata, polygonum aviculare, eragrostis minor, plantago major, digitaria sanguinalis, amaranthus retroflexus, artemisia vulgaris, chenopodium album, cichorium intybus, convolvulus arvensis, daucus carota, echinochloa crus-galli, erigeron canadensis, portulaca oleracea, setaria viridis, sonchus oleraceus, taraxacum minimum