erigeron annuus, oenothera biennis, populus nigra, hypericum perforatum, senecio inaequidens, solidago gigantea, linaria vulgaris, melilotus albus, picris hieracioides, salix purpurea, verbascum thapsus, berteroa incana, buddleja davidii, cirsium vulgare, fragaria vesca, humulus lupulus, jacobaea vulgaris, medicago lupulina, pastinaca sativa, salix caprea, trifolium repens