tussilago farfara, achillea millefolium, ceratodon purpureus, poa compressa, solidago canadensis, solidago gigantea, artemisia vulgaris, bromus sterilis, calamagrostis epigejos, cirsium arvense, daucus carota, medicago lupulina, oenothera biennis, trifolium repens, bromus hordeaceus, cerastium holosteoides, cirsium vulgare, epilobium tetragonum, melilotus albus, urtica dioica