tussilago farfara, artemisia vulgaris, salix caprea, solidago canadensis, populus canadensis, elymus repens, lactuca serriola, senecio viscosus, achillea millefolium, calamagrostis epigejos, erigeron annuus, eupatorium cannabinum, poa palustris, scorzoneroides autumnalis, tanacetum vulgare, cirsium vulgare, salix triandra