calamagrostis epigejos, agrostis gigantea, dactylis glomerata, elymus repens, achillea millefolium, artemisia vulgaris, cirsium arvense, erigeron canadensis, leontodon hispidus, poa compressa, poa palustris, poa pratensis, sonchus oleraceus, tripleurospermum inodorum, tussilago farfara