artemisia vulgaris, achillea millefolium, erigeron canadensis, medicago lupulina, tussilago farfara, arctium lappa, carduus acanthoides, melilotus albus, tanacetum vulgare, amaranthus retroflexus, apera spica-venti, arctium tomentosum, ballota nigra, bromus sterilis, bromus tectorum, carduus crispus, chenopodium album, cirsium arvense, coronilla varia, echium vulgare, elymus repens, galium aparine, lactuca serriola, lepidium ruderale, linaria vulgaris, lolium perenne, melilotus officinalis, onopordum acanthium, plantago major, poa compressa, potentilla supina, reseda lutea, setaria verticillata, tripleurospermum inodorum, urtica dioica