artemisia absinthium, achillea millefolium, artemisia vulgaris, daucus carota, erigeron canadensis, lactuca serriola, lolium perenne, ballota nigra, chenopodium album, cirsium arvense, cirsium vulgare, elymus repens, polygonum aviculare, tanacetum vulgare, tripleurospermum inodorum, verbascum nigrum