chenopodium album, elymus repens, potentilla argentea, artemisia absinthium, artemisia vulgaris, bromus hordeaceus, carduus acanthoides, echium vulgare, polygonum aviculare, tanacetum vulgare, crepis tectorum, dactylis glomerata, medicago lupulina, melilotus albus, tripleurospermum inodorum