text: quercus robur, castanea sativa, corylus avellana, dryopteris borreri, fraxinus excelsior, hypericum androsaemum, arum italicum, asplenium scolopendrium, circaea lutetiana, dioscorea communis, dryopteris filix-mas, hedera helix, lysimachia nemorum, polystichum setiferum, pteridium aquilinum, rubus ulmifolius, ruscus aculeatus, saxifraga hirsuta