text: melilotus albus, grindelia squarrosa, ambrosia artemisiifolia, artemisia santonicum, bromus tectorum, cirsium arvense, convolvulus arvensis, delphinium consolida, euphorbia seguieriana, lactuca serriola, medicago falcata, melilotus officinalis, poa angustifolia, sisymbrium loeselii, achillea millefolium, lathyrus tuberosus, linaria genistifolia, matricaria chamomilla