elymus repens, robinia pseudoacacia, cirsium arvense, amaranthus powellii, artemisia vulgaris, atriplex oblongifolia, ballota nigra, bryonia alba, echinochloa crus-galli, echinops sphaerocephalus, galium aparine, knautia arvensis, plantago major, prunus spinosa, silene latifolia, amaranthus retroflexus, conium maculatum