grindelia squarrosa, ambrosia artemisiifolia, diplotaxis muralis, galium aparine, achillea millefolium, artemisia absinthium, bromus squarrosus, bromus tectorum, convolvulus arvensis, delphinium consolida, lotus corniculatus, poa angustifolia, portulaca oleracea, sisymbrium loeselii, xeranthemum annuum