atriplex prostrata, amaranthus retroflexus, portulaca oleracea, polygonum aviculare, tanacetum millefolium, ambrosia artemisiifolia, artemisia austriaca, bromus squarrosus, chenopodium album, galium humifusum, grindelia squarrosa, helianthus annuus, lamium purpureum, medicago sativa, oxybasis urbica, plantago lanceolata, rumex crispus, salvia nemorosa, setaria viridis, sisymbrium officinale