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