equisetum arvense, lolium perenne, tussilago farfara, achillea millefolium, cirsium arvense, polygonum aviculare, rumex crispus, agrostis gigantea, artemisia absinthium, artemisia vulgaris, bromus tectorum, calamagrostis epigejos, chenopodium album, descurainia sophia, plantago lanceolata, tripleurospermum inodorum