amaranthus blitoides, helianthus annuus, chenopodium album, convolvulus arvensis, setaria viridis, beta vulgaris, calendula arvensis, centaurea benedicta, digitaria sanguinalis, diplotaxis erucoides, echinochloa crus-galli, heliotropium europaeum, paspalum vaginatum, poa annua, portulaca oleracea, rumex crispus