melilotus albus, ambrosia artemisiifolia, artemisia absinthium, achillea nobilis, calamagrostis epigejos, crepis foetida, populus nigra, reseda lutea, tussilago farfara, anchusa officinalis, artemisia campestris, centaurea diffusa, cirsium arvense, elymus repens, erigeron canadensis, gypsophila perfoliata, linaria genistifolia, poa compressa, tripleurospermum inodorum, xanthium strumarium