euphorbia esula, melilotus albus, bromus tectorum, convolvulus arvensis, erigeron canadensis, lathyrus tuberosus, melilotus officinalis, pilosella echioides, poa angustifolia, achillea millefolium, ambrosia artemisiifolia, artemisia absinthium, chondrilla juncea, delphinium consolida, elymus repens, jacobaea vulgaris