salix viminalis, calamagrostis epigejos, achillea millefolium, artemisia vulgaris, betula pendula, chamaenerion dodonaei, cirsium arvense, equisetum arvense, erigeron canadensis, euphrasia officinalis, helichrysum arenarium, phragmites australis, pilosella officinarum, pinus sylvestris, poa trivialis, salix cinerea, trifolium campestre, tussilago farfara