carduus acanthoides, elymus repens, lathyrus tuberosus, picris hieracioides, ambrosia artemisiifolia, bromus tectorum, convolvulus arvensis, crepis tectorum, cyclachaena xanthiifolia, sisymbrium loeselii, arctium tomentosum, artemisia absinthium, artemisia austriaca, artemisia santonicum, centaurea diffusa, cirsium arvense, erigeron canadensis, melilotus officinalis, plantago major, salvia nemorosa, trifolium pratense