sisymbrium officinale, chenopodium album, artemisia vulgaris, atriplex sagittata, capsella bursa-pastoris, chenopodium ficifolium, elymus repens, erigeron canadensis, fallopia convolvulus, galinsoga quadriradiata, lamium maculatum, lepidium ruderale, plantago major, polygonum aviculare, senecio vulgaris, tripleurospermum inodorum