text: elymus repens, convolvulus arvensis, oenothera biennis, acer negundo, achillea millefolium, calamagrostis epigejos, chelidonium majus, chenopodium album, daucus carota, erigeron annuus, hypericum perforatum, lactuca serriola, oxalis stricta, picris hieracioides, poa compressa, quercus robur, silene latifolia, verbascum lychnitis, vicia hirsuta