poa compressa, ceratodon purpureus, achillea millefolium, tussilago farfara, artemisia absinthium, cirsium vulgare, daucus carota, elymus repens, equisetum arvense, erigeron acris, gemmabryum caespiticium, hypericum perforatum, lolium perenne, melilotus albus, streblotrichum convolutum, agrostis gigantea, calamagrostis epigejos, erigeron canadensis