hordeum murinum, plantago major, polygonum aviculare, artemisia vulgaris, bromus tectorum, capsella bursa-pastoris, chenopodium album, lolium perenne, poa annua, poa pratensis, achillea millefolium, anthemis arvensis, bromus hordeaceus, bromus sterilis, chelidonium majus, cirsium arvense, convolvulus arvensis, elymus repens, geum urbanum, matricaria discoidea, melilotus albus, senecio vulgaris, silene latifolia, sisymbrium officinale, solidago canadensis, tripleurospermum inodorum