amaranthus retroflexus, portulaca oleracea, lamium amplexicaule, senecio vulgaris, stellaria media, amaranthus graecizans, carduus acanthoides, chenopodium album, lysimachia arvensis, poa annua, bromus tectorum, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, euphorbia exigua, fallopia convolvulus, matricaria discoidea, stachys annua, thlaspi arvense, trifolium campestre, tripleurospermum inodorum, urtica urens