tussilago farfara, tripleurospermum inodorum, erigeron canadensis, achillea millefolium, artemisia vulgaris, carduus acanthoides, elymus repens, festuca rubra, poa compressa, urtica dioica, agrostis stolonifera, amaranthus retroflexus, atriplex tatarica, berteroa incana, capsella bursa-pastoris, carduus crispus, chaenorhinum minus, chenopodium album, cirsium arvense, convolvulus arvensis, crepis biennis, dactylis glomerata, daucus carota, lactuca serriola, lepidium ruderale, medicago lupulina, melilotus officinalis, pastinaca sativa, phleum pratense, picris hieracioides, plantago lanceolata, plantago major, saponaria officinalis, solanum nigrum, sonchus arvensis, sonchus oleraceus, trifolium repens