amaranthus retroflexus, convolvulus arvensis, panicum miliaceum, persicaria lapathifolia, chenopodium album, cirsium arvense, conium maculatum, crepis tectorum, erigeron canadensis, erodium cicutarium, lactuca serriola, linaria vulgaris, polygonum aviculare, setaria viridis, tripleurospermum inodorum, vicia cracca, artemisia absinthium, barbarea vulgaris, carduus acanthoides, cichorium intybus, equisetum arvense, fumaria officinalis, leonurus quinquelobatus