erigeron canadensis, populus nigra, calamagrostis epigejos, helichrysum arenarium, artemisia absinthium, artemisia vulgaris, centaurea pseudomaculosa, cichorium intybus, cirsium arvense, daucus carota, echium vulgare, glechoma hederacea, hippophae rhamnoides, melilotus albus, oenothera biennis, phragmites australis, tanacetum vulgare, verbascum thapsus