quercus robur, hedera helix, corylus avellana, fraxinus excelsior, crataegus monogyna, ilex aquifolium, lonicera periclymenum, arum maculatum, cornus sanguinea, dioscorea communis, eurhynchium striatum, galium aparine, kindbergia praelonga, prunus spinosa, pulmonaria longifolia, ruscus aculeatus