arctium tomentosum, ballota nigra, amaranthus retroflexus, arctium lappa, arctium minus, artemisia absinthium, chenopodium album, conium maculatum, convolvulus arvensis, elymus repens, erigeron canadensis, leonurus quinquelobatus, malva sylvestris, polygonum aviculare, sisymbrium loeselii, urtica dioica