hedera helix, quercus robur, fagus sylvatica, fraxinus excelsior, tilia cordata, castanea sativa, carpinus betulus, corylus avellana, crataegus monogyna, rosa arvensis, atrichum undulatum, betula pendula, circaea lutetiana, cornus sanguinea, dryopteris filix-mas, euphorbia amygdaloides, eurhynchium striatum, fissidens taxifolius, ligustrum vulgare, neottia nidus-avis, quercus petraea, ribes rubrum, torminalis glaberrima, valeriana officinalis, viburnum opulus, viola reichenbachiana