fraxinus pennsylvanica, cannabis sativa, potentilla reptans, carex praecox, quercus robur, ulmus laevis, xanthium strumarium, achillea nobilis, arctium tomentosum, atriplex sagittata, bromus inermis, carex melanostachya, cirsium arvense, cynoglossum officinale, erigeron canadensis, eryngium planum, lactuca serriola, linaria vulgaris, lipandra polysperma, onopordum acanthium, polygonum aviculare, silene latifolia