tussilago farfara, achillea millefolium, artemisia vulgaris, cirsium arvense, arctium lappa, bromus tectorum, elymus repens, melilotus officinalis, tripleurospermum inodorum, urtica dioica, agrostis stolonifera, atriplex tatarica, avena fatua, ballota nigra, berteroa incana, brassica oleracea, calamagrostis epigejos, capsella bursa-pastoris, carduus crispus, chenopodiastrum hybridum, chenopodium album, cirsium vulgare, convolvulus arvensis, daucus carota, delphinium consolida, echium vulgare, erigeron canadensis, festuca rubra, lactuca serriola, lepidium ruderale, lolium perenne, lysimachia arvensis, medicago lupulina, picris hieracioides, plantago major, poa annua, reseda lutea, rumex obtusifolius, saponaria officinalis, silene latifolia, silene vulgaris, sinapis arvensis, solanum nigrum, sonchus arvensis, sonchus oleraceus, viola tricolor