tussilago farfara, achillea millefolium, artemisia vulgaris, cirsium arvense, epilobium tetragonum, equisetum arvense, lactuca serriola, lolium perenne, poa compressa, sinapis arvensis, tripleurospermum inodorum, urtica dioica, agrostis stolonifera, amaranthus retroflexus, ballota nigra, berteroa incana, brassica oleracea, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, crepis biennis, delphinium consolida, echium vulgare, erigeron canadensis, euphorbia exigua, euphorbia peplus, lysimachia arvensis, plantago major, potentilla supina, rumex obtusifolius, saponaria officinalis, sonchus arvensis, sonchus oleraceus, trifolium pratense, viola tricolor