mercurialis annua, amaranthus retroflexus, chenopodiastrum hybridum, fallopia convolvulus, lysimachia arvensis, senecio vulgaris, viola arvensis, amaranthus powellii, artemisia vulgaris, echinochloa crus-galli, euphorbia exigua, lamium amplexicaule, leucanthemum vulgare, polygonum aviculare, silene noctiflora, tripleurospermum inodorum