setaria viridis, amaranthus retroflexus, echinochloa crus-galli, atriplex patula, cirsium arvense, amaranthus blitoides, amaranthus powellii, convolvulus arvensis, elymus repens, lysimachia arvensis, polygonum aviculare, setaria pumila, sherardia arvensis, stachys annua, tripleurospermum maritimum