ambrosia artemisiifolia, atriplex tatarica, artemisia absinthium, atriplex prostrata, carduus acanthoides, centaurea diffusa, delphinium consolida, grindelia squarrosa, hordeum murinum, melilotus albus, setaria viridis, solidago canadensis, centaurea adpressa, cyclachaena xanthiifolia, plantago lanceolata