eragrostis minor, digitaria sanguinalis, setaria viridis, artemisia vulgaris, bromus tectorum, geranium pusillum, sonchus oleraceus, achillea millefolium, amaranthus hybridus, atriplex patula, chenopodium album, fallopia convolvulus, portulaca oleracea, rumex acetosella, stellaria media, roemeria argemone, sinapis arvensis