castanea sativa, quercus robur, betula pubescens, euphorbia dulcis, oxalis acetosella, pteridium aquilinum, teucrium scorodonia, athyrium filix-femina, cardamine pratensis, dryopteris borreri, hedera helix, hypericum pulchrum, lysimachia nemorum, rubus ulmifolius, cruciata glabra, dryopteris dilatata, frangula alnus, ilex aquifolium, lonicera periclymenum, oreopteris limbosperma, osmunda regalis, salix atrocinerea, sambucus nigra, stachys officinalis