text: quercus robur, avenella flexuosa, lonicera periclymenum, pteridium aquilinum, castanea sativa, ilex aquifolium, calluna vulgaris, dryopteris filix-mas, hedera helix, holcus mollis, polytrichum formosum, prunus avium, pseudoscleropodium purum, teucrium scorodonia, thuidium tamariscinum