chenopodium album, elymus repens, poa pratensis, achillea millefolium, amaranthus retroflexus, erigeron canadensis, artemisia vulgaris, ballota nigra, capsella bursa-pastoris, chenopodiastrum hybridum, cirsium arvense, conium maculatum, datura stramonium, erysimum cheiranthoides, lactuca serriola, lepidium ruderale, picris hieracioides, plantago major, poa annua, raphanus raphanistrum, senecio viscosus, senecio vulgaris, sisymbrium loeselii, solanum nigrum, sonchus oleraceus, stellaria media, tripleurospermum inodorum, tussilago farfara