sisymbrium loeselii, elymus repens, achillea millefolium, picris hieracioides, ambrosia artemisiifolia, artemisia santonicum, berteroa incana, carduus acanthoides, convolvulus arvensis, erigeron canadensis, poa angustifolia, bromus tectorum, cirsium arvense, delphinium consolida, erigeron acris, medicago falcata, tragopogon dubius, xeranthemum annuum, lappula marginata, melilotus albus