ambrosia artemisiifolia, tussilago farfara, anchusa officinalis, artemisia absinthium, artemisia campestris, epilobium tetragonum, lactuca tatarica, centaurea diffusa, cirsium arvense, crepis foetida, erigeron canadensis, gypsophila perfoliata, medicago lupulina, melilotus albus, reseda lutea, tripleurospermum inodorum, xanthium strumarium