helianthus decapetalus, amaranthus retroflexus, arctium minus, artemisia absinthium, artemisia vulgaris, atriplex sagittata, ballota nigra, berteroa incana, brassica nigra, chenopodium album, cichorium intybus, cirsium vulgare, conium maculatum, convolvulus arvensis, daucus carota, elymus repens, lactuca serriola, lolium perenne, tanacetum vulgare, urtica dioica