quercus robur, hedera helix, pteridium aquilinum, brachypodium pinnatum, castanea sativa, crataegus monogyna, dioscorea communis, fraxinus excelsior, hypericum androsaemum, lonicera periclymenum, polypodium interjectum, rubus ulmifolius, torminalis glaberrima, erica vagans, euphorbia amygdaloides