erigeron annuus, tussilago farfara, cirsium arvense, convolvulus arvensis, sonchus arvensis, artemisia vulgaris, equisetum arvense, achillea millefolium, avena fatua, erigeron canadensis, hieracium umbellatum, hypericum perforatum, solidago gigantea, tanacetum vulgare, trifolium pratense, trifolium repens, vicia hirsuta, artemisia absinthium, capsella bursa-pastoris, cerastium holosteoides, cichorium intybus, daucus carota, echium vulgare, elymus repens, epilobium ciliatum, euphorbia tommasiniana, galium mollugo, linaria vulgaris, medicago lupulina, plantago major, poa compressa, potentilla argentea, potentilla norvegica, silene latifolia, spergularia rubra, thlaspi arvense, trifolium hybridum, tripleurospermum inodorum, vicia cracca, vicia sativa