persicaria maculosa, amaranthus retroflexus, chenopodium album, elymus repens, fallopia convolvulus, mercurialis annua, panicum miliaceum, setaria viridis, datura stramonium, digitaria sanguinalis, euphorbia helioscopia, medicago lupulina, polygonum aviculare, setaria pumila, solanum nigrum, verbena officinalis, erigeron canadensis, mentha spicata, silene vulgaris