salix viminalis, holcus lanatus, agrostis gigantea, filago arvensis, solidago gigantea, achillea millefolium, arabidopsis thaliana, artemisia vulgaris, calamagrostis epigejos, cirsium arvense, daucus carota, erigeron annuus, geum urbanum, hypericum perforatum, hypochaeris radicata, oxalis stricta, poa nemoralis, poa trivialis, rumex acetosa, salix caprea, tanacetum vulgare, trifolium repens, veronica serpyllifolia