echium vulgare, agrostis gigantea, anchusa officinalis, calamagrostis epigejos, rubus caesius, dactylis glomerata, elymus repens, erodium cicutarium, jacobaea vulgaris, nepeta cataria, verbascum thapsus, anthoxanthum odoratum, crataegus monogyna, erodium lebelii, galium aparine, hypochaeris radicata, lithospermum officinale, poa pratensis, populus alba, populus canadensis, valeriana officinalis