bromus hordeaceus, agrostis stolonifera, cirsium arvense, plantago major, achillea millefolium, bromus diandrus, medicago lupulina, artemisia vulgaris, chenopodium album, epilobium tetragonum, erigeron canadensis, holcus lanatus, poa annua, polygonum aviculare, rumex crispus, senecio squalidus, trifolium repens, tripleurospermum inodorum, bromus sterilis, matricaria discoidea