tussilago farfara, achillea millefolium, artemisia vulgaris, erigeron canadensis, medicago lupulina, arctium lappa, carduus acanthoides, melilotus officinalis, poa compressa, avena fatua, ballota nigra, berteroa incana, bromus tectorum, capsella bursa-pastoris, cirsium arvense, cirsium vulgare, daucus carota, echium vulgare, euphorbia exigua, euphorbia peplus, lactuca serriola, lathyrus tuberosus, leontodon hispidus, lepidium ruderale, lolium perenne, lysimachia arvensis, melilotus albus, picris hieracioides, plantago major, potentilla supina, silene latifolia, sinapis arvensis, trifolium repens, tripleurospermum inodorum, urtica dioica, verbascum chaixii, viola tricolor