hedera helix, mercurialis perennis, quercus robur, acer pseudoplatanus, fraxinus excelsior, ilex aquifolium, asplenium scolopendrium, fagus sylvatica, circaea lutetiana, corylus avellana, dryopteris borreri, polystichum aculeatum, polystichum setiferum, primula vulgaris, euonymus europaeus, crataegus monogyna