polygonum aviculare, matricaria discoidea, medicago lupulina, plantago major, agrostis stolonifera, artemisia vulgaris, atriplex patula, capsella bursa-pastoris, chenopodium album, descurainia sophia, elymus repens, erysimum cheiranthoides, fallopia convolvulus, persicaria lapathifolia, poa annua, tripleurospermum inodorum