ceratodon purpureus, poa compressa, artemisia absinthium, gemmabryum caespiticium, achillea millefolium, erigeron acris, artemisia vulgaris, calamagrostis epigejos, cirsium vulgare, daucus carota, equisetum arvense, erigeron canadensis, lolium perenne, melilotus albus, streblotrichum convolutum, tussilago farfara, caragana arborescens, carex hirta, tripleurospermum inodorum