ambrosia artemisiifolia, artemisia absinthium, artemisia campestris, elymus repens, melilotus albus, reseda lutea, tussilago farfara, xanthium strumarium, centaurea diffusa, cirsium arvense, crepis foetida, gypsophila perfoliata, lactuca tatarica, poa compressa, tripleurospermum inodorum