oenothera biennis, echium vulgare, melilotus albus, picris hieracioides, poa trivialis, artemisia vulgaris, calamagrostis epigejos, carduus acanthoides, centaurea jacea, potentilla reptans, achillea millefolium, cichorium intybus, cirsium vulgare, erigeron canadensis, holcus lanatus, hypericum perforatum, lactuca serriola, linaria vulgaris, melilotus officinalis, persicaria maculosa, phleum pratense, prunella vulgaris, reseda lutea, tripleurospermum inodorum, verbena officinalis