panicum miliaceum, echinochloa crus-galli, erodium cicutarium, setaria viridis, amaranthus retroflexus, artemisia absinthium, helianthus annuus, atriplex prostrata, bromus scoparius, carduus acanthoides, convolvulus arvensis, euphorbia tommasiniana, malva pusilla, melilotus albus, plantago major, polygonum aviculare, xanthium strumarium